Factor Info
| ID | 139175 |
| Size | 198 digits / 656 bits |
| Status | composite |
| Value | 256275942970224283334472938601015509177515947022051668585643552200387776874526164485857033598140977949955356333100173349162627555247778945309495069857968361897524039585499572033570927187465421525243 |
Factorizations
| Primary | (ID: 140925) 25288982524482034441820933473 (proven prime) |
| (ID: 174029) 10133896953826666180856594574168627789705798651014899197903195808623857679151403229355606744888803265977089440552699021586246629748813826596794092977999992887268043030491 (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.