Factor Info
| ID | 25721 |
| Size | 199 digits / 660 bits |
| Status | composite |
| Value | 2846528747893461665584571356939948509743719018144977367088509733153946690053997929509130389999134374159242313304143594203911520096433119586668811030176261506220382469064242506652046622339330356326337 |
Factorizations
| Primary | (ID: 4794) 157243204166401132322379527929296163393 (proven prime) |
| (ID: 36266) 18102713964548506425597558013896843360551210022985981741902367319152670871660862268751678559775826900835712047862675858854793933383879087282141930102209074740609 (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.