Factor Info
| ID | 81919 |
| Size | 189 digits / 626 bits |
| Status | composite |
| Value | 187898111860186070204840367267647296971875355808430642507268324264171371508001274302008605021985688357487211496673102026076329792975567510862000966024243853467744578903873210820407486789303 |
Factorizations
| Primary | (ID: 81309) 579854222911081169204057841166516405833247 (proven prime) |
| (ID: 81920) 324043706911141453823924339930914380510327528201901885687557996501237050969198131615031597506719722736918215623478247111173741517962097816021996649 (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.