Factor Info
| ID | 1897 |
| Size | 148 digits / 490 bits |
| Status | composite |
| Value | 2583698893776552998734261636405605922611864547361650162076254505470220874223951895644672665694525513581604467637696944032706422466493814831631572641 |
Factorizations
| Primary | (ID: 10000) 512687729748043101679813601 (proven prime) |
| (ID: 10001) 5039517710022617958852280306037334580925437487432097272402539527246959320637093178900435817649694139987138716546835215041 (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.