Factor Info
| ID | 161517 |
| Size | 196 digits / 651 bits |
| Status | composite |
| Value | 5671256480385669475151928065597511272497615237824026190587117216233152492645549064754183094907519734064513238068652983927165514488018741208007673872604250431784979789456084297446314148077046181937 |
Factorizations
| Primary | (ID: 161518) 19037176115938901912449 (proven prime) |
| (ID: 161519) 297904292414325157136224352887885115179334592561190281452000605811597627868661100956791004999647490825156107369555095048765737225962550255556431478798085554596952472765684913 (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.