Factor Info
| ID | 161215 |
| Size | 159 digits / 527 bits |
| Status | composite |
| Value | 268231245692384238470144233681855843712860059382818752296711813762393544028227380682185153580541868088264921066598198149822517805907416856981716364128122278321 |
Factorizations
| Primary | (ID: 161023) 1585576952132368314532768277444423887814600247493413319516216197491956001 (proven prime) |
| (ID: 193607) 169169490847891410379331925985059498777774881691170074636401866330561874164214892402321 (proven prime) |
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.