Factor Info
| ID | 168021 |
| Size | 192 digits / 635 bits |
| Status | composite |
| Value | 136580665466944655940576728420567223638090403743802306445071059005513632184467751320374237664745115843904801630073480050161435498109961399930523309334747799321895891099836638114227814014916661 |
Factorizations
| Primary | (ID: 168022) 64217370090877823505293705129529905363070886592641 (proven prime) |
| (ID: 168023) 2126849250812688609060991888286579412189193250555844751446017527911974701470137756697496665566705854962557564827193985029481705028888159223221 (composite) |
Primary factorization keeps track of the smallest (known) prime factor. Secondary factorizations are old results kept when a new smaller prime factor is found, which occasionally happens with ECM.