|
OP Home Composites Cleared Against Pomerance Fermat Quotients ElevenSmooth |
We are attempting to find two factors greater than 1011 whenever possible. See the Fermat Quotients page for more details about the search.
| Base | FQ Prime | Full FQ Order | This Exponent | Size | P-1 | ECM Level | ECM | Composite |
| 17 | 48947 | 24473 | 24473 | C30066 | 250K (30 digits) | 0.083 | (17^24473-1)/(16*48947^2*293677*5873521*16609188803*63895279579889) | |
| 157 | 122327 | 2 * 1973 | 1973 | C4327 | 10M | 1M (35 digits) | 0.266 | (157^1973-1)/(156*11839) |
| 157 | 122327 | 2 * 1973 | 2 * 1973 | C4307 | 10M | 1M (35 digits) | 0.266 | (157^1973+1)/(158*3947*122327^2*32550179131) |
| 197 | 653 | 163 | 163 | C345 | 1G | 43M (50 digits) | 0.164 | (197^163-1)/(196*653^2*2269613*800339854680407) |
| 251 | 395696461 | 5 * 443 * 14887 | 14887 | C35722 | 10M | 250K (30 digits) | 0.083 | (251^14887-1)/250 |
| 251 | 395696461 | 5 * 443 * 14887 | 443 | C1052 | 1G | 43M (50 digits) | 0.161 | (251^443-1)/(250*887*843473) |
| 251 | 395696461 | 5 * 443 * 14887 | 5 * 443 | C4235 | 10M | 250K (30 digits) | 0.658 | (251^(5*443)-1)*250/((251^443-1)*(251^5-1)*258796171) |
| 257 | 359 | 2 * 179 | 179 | C394 | 1G | 43M (50 digits) | 0.164 | (257^179-1)/(256*8951*11323442498975992826664177106393) |
| 257 | 359 | 2 * 179 | 2 * 179 | C414 | 1G | 43M (50 digits) | 0.164 | (257^179+1)/(258*359^2*11326296959) |
| 331 | 359 | 179 | 179 | C428 | 1G | 43M (50 digits) | 0.826 | (331^179-1)/(330*359^2*1797877*3972766097) |
| 409 | 34583 | 17291 | 17291 | C45148 | 100M | 250K (30 digits) | 0.083 | (409^17291-1)/(408*34583^2) |
| 433 | 129497 | 2^3 * 16187 | 16187 | C42647 | 10M | 250K (30 digits) | 0.100 | (433^16187-1)/((433^1-1)*27517901*179908756984145726011) |
| 433 | 129497 | 2^3 * 16187 | 2 * 16187 | C42667 | 10M | 50K (25 digits) | 0.285 | (433^16187+1)/((433^1+1)*74427827) |
| 433 | 129497 | 2^3 * 16187 | 2^2 * 16187 | C85343 | 10M | 250K (30 digits) | 0.079 | (433^(2*16187)+1)/((433^2+1)*1942441) |
| 499 | 24117560837 | 2 * 8093 * 745013 | 8093 | C21829 | 1M | 250K (30 digits) | 0.260 | (499^8093-1)/(498*16187) |
| 499 | 24117560837 | 2 * 8093 * 745013 | 2 * 8093 | C21834 | 1M | 250K (30 digits) | 0.230 | (499^8093+1)/500 |
| 509 | 7215975149 | 11971 * 150697 | 11971 | C32394 | 10M | 250K (50 digits) | 0.101 | (509^11971-1)/(508*1628057) |
| 613 | 4073 | 2^2 * 509 | 509 | C1361 | 10M | 43M (50 digits) | 0.155 | (613^509-1)/(612*21379*627089*65801335373*52563562568040983794422928907474899) |
| 613 | 4073 | 2^2 * 509 | 2 * 509 | C1409 | 10M | 43M (50 digits) | 0.161 | (613^509+1)/(614*1019*58027) |
| 613 | 4073 | 2^2 * 509 | 2^2 * 509 | C2820 | 10M | 250K (30 digits) | 0.216 | (613^(2*509)+1)/((613^2+1)*4073^2*77369) |
| 709 | 1663 | 277 | 277 | C749 | 1G | 43M (50 digits) | 0.163 | (709^277-1)/(708*1663^2*88867987318576068105006245393497) |
| 809 | 448110371 | 5 * 2213 * 20249 | 20249 | C58862 | 10M | 250K (30 digits) | 0.083 | (809^20249-1)/(808*40499*240049204474873) |
| 809 | 448110371 | 5 * 2213 * 20249 | 2213 | C6433 | 10M | 250K (30 digits) | 0.301 | (809^2213-1)/808 |
| 809 | 448110371 | 5 * 2213 * 20249 | 5 * 2213 | C25730 | 10M | 250K (30 digits) | 0.101 | (809^(5*2213)-1)*808/((809^5-1)*(809^2213-1)) |
| 823 | 2309 | 577 | 577 | C1631 | 10M | 11M (45 digits) | 0.571 | (823^577-1)/(822*2309^2*1684739430923662296081215062090807115949877) |
| 947 | 5021 | 2^2 * 251 | 251 | C713 | 1G | 43M (50 digits) | 0.164 | (947^251-1)/(946*17263553599*4930017072892452022901) |
| 947 | 5021 | 2^2 * 251 | 2 * 251 | C742 | 1G | 43M (50 digits) | 0.164 | (947^251+1)/(948*503) |
| 947 | 5021 | 2^2 * 251 | 2^2 * 251 | C1471 | 10M | 43M (50 digits) | 0.163 | (947^502+1)/((947^2+1)*5021^2*25691308813) |
We track trial factoring for these composites. They are generally regarded as too large for ECM and P-1 factoring.
| Base | FQ Prime | Full FQ Order | This Exponent | Known Factors | P-1 | TF Extent |
| 41 | 1025273 | 2^3 * 128159 | 128159 | 1.3E12 | ||
| 41 | 1025273 | 2^3 * 128159 | 2 * 128159 | 1.3E12 | ||
| 41 | 1025273 | 2^3 * 128159 | 2^2 * 128159 | 1.3E12 | ||
| 41 | 1025273 | 2^3 * 128159 | 2^3 * 128159 | 1025273^2 | 1.3E12 | |
| 127 | 13778951 | 5^2 * 275579 | 275579 | 5511581 | 1.9E13 | |
| 127 | 13778951 | 5^2 * 275579 | 5 * 275579 | 1.9E13 | ||
| 127 | 13778951 | 5^2 * 275579 | 5^2 * 275579 | 13778951^2 * 454705351 | 1.9E13 | |
| 157 | 4242923 | 2 * 2121461 | 2121461 | 165363642029 | 1.1E14 | |
| 157 | 4242923 | 2 * 2121461 | 2 * 2121461 | 4242923^2 | 1.1E14 | |
| 197 | 6237773 | 2^2 * 1559443 | 1559443 | 1.8E19 | ||
| 197 | 6237773 | 2^2 * 1559443 | 2 * 1559443 | 1.8E19 | ||
| 197 | 6237773 | 2^2 * 1559443 | 2^2 * 1559443 | 6237773^2 * 2189457973 | 1.8E19 | |
| 239 | 12502228667 | 6251114333 | 6251114333 | 12502228667^2 * 2137881101887 | 2.04E17 | |
| 251 | 395696461 | 5 * 443 * 14887 | 443 * 14887 | 2.19E14 | ||
| 251 | 395696461 | 5 * 443 * 14887 | 5 * 14887 | 66991501 | 5.34E11 | |
| 251 | 395696461 | 5 * 443 * 14887 | 5 * 443 * 14887 | 395696461^2 * 3495318731 | 2.19E14 | |
| 271 | 168629 | 2 * 42157 | 42157 | 2.04E11 | ||
| 271 | 168629 | 2 * 42157 | 2 * 42157 | 168629^2 | 2.04E11 | |
| 281 | 3443059 | 191281 | 191281 | 3443059^2 | 10M | 7.01E12 |
| 389 | 211850543 | 105925271 | 105925271 | 211850543^2 * 2740498611313 | 2.77E15 | |
| 433 | 129497 | 2^3 * 16187 | 2^3 * 16187 | 129497^2 | 2.5E11 | |
| 433 | 244403 | 122201 | 122201 | 244403^2 | 4.59E12 | |
| 457 | 1589513 | 2^2 * 198689 | 198689 | 48110157083 | 1.6E13 | |
| 457 | 1589513 | 2^2 * 198689 | 2 * 198689 | 397379 | 1.6E13 | |
| 457 | 1589513 | 2^2 * 198689 | 2^2 * 198689 | 1589513^2 * 157110093907873535761 | 1.6E13 | |
| 491 | 661763933 | 165440983 | 165440983 | 661763933^2 | 5.48E15 | |
| 499 | 24117560837 | 2 * 8093 * 745013 | 745013 | 81951431 | 2.44E13 | |
| 499 | 24117560837 | 2 * 8093 * 745013 | 8093 * 745013 | 2331678136357694989 | 1.58E18 | |
| 499 | 24117560837 | 2 * 8093 * 745013 | 2 * 745013 | 1110069371 | 2.44E13 | |
| 499 | 24117560837 | 2 * 8093 * 745013 | 2 * 8093 * 745013 | 24117560837^2 | 1.58E18 | |
| 509 | 7215975149 | 11971 * 150697 | 150697 | 487354099 | 2.05E12 | |
| 509 | 7215975149 | 11971 * 150697 | 11971 * 150697 | 7215975149^2 | 4.72E16 | |
| 587 | 6343317671 | 634331767 | 634331767 | 6343317671^2 * 567696479734193399 | 1.67E16 | |
| 607 | 40303229 | 2^2 * 1439401 | 1439401 | 483638737 * 43717487173 | 3.45E13 | |
| 607 | 40303229 | 2^2 * 1439401 | 2 * 1439401 | 3.45E13 | ||
| 607 | 40303229 | 2^2 * 1439401 | 2^2 * 1439401 | 40303229^2 * 57576041 | 3.45E13 | |
| 613 | 81371669 | 2906131 | 2906131 | 81371669^2 * 2364666484343 | 1.18E14 | |
| 613 | 18419352383 | 9209676191 | 9209676191 | 18419352383^2 * 184193523821 | 2.63E18 | |
| 719 | 4414200313 | 2^2 * 3 * 183925013 | 183925013 | 5.01E15 | ||
| 719 | 4414200313 | 2^2 * 3 * 183925013 | 3 * 183925013 | 5517750391 | 5.01E15 | |
| 719 | 4414200313 | 2^2 * 3 * 183925013 | 2 * 183925013 | 5.01E15 | ||
| 719 | 4414200313 | 2^2 * 3 * 183925013 | 2 * 3 * 183925013 | 27588751951 | 5.01E15 | |
| 719 | 4414200313 | 2^2 * 3 * 183925013 | 2^2 * 183925013 | 35313602497 | 5.01E15 | |
| 719 | 4414200313 | 2^2 * 3 * 183925013 | 2^2 * 3 * 183925013 | 4414200313^2 * 35313602497 | 5.01E15 | |
| 809 | 448110371 | 5 * 2213 * 20249 | 2213 * 20249 | 1.49E15 | ||
| 809 | 448110371 | 5 * 2213 * 20249 | 5 * 20249 | 355369951 | 3.5E12 | |
| 809 | 448110371 | 5 * 2213 * 20249 | 5 * 2213 * 20249 | 448110371^2 | 1.49E15 | |
| 853 | 1125407 | 562703 | 562703 | 1125407^2 * 61703760169 | 1.8E19 | |
| 881 | 22385723 | 11192861 | 11192861 | 22385723^2 * 11192861 * 27337802079423499 | 4.03E14 | |
| 929 | 62199604679 | 2 * 31099802339 | 31099802339 | 1.02E18 | ||
| 929 | 62199604679 | 2 * 31099802339 | 2 * 31099802339 | 62199604679^2 | 1.02E18 |