Factor Info
| ID | 221031 |
| Size | 172 digits / 571 bits |
| Status | composite |
| Value | 4181586069683084026720595352841530136616888638563283221335795297239925651517998933892802705124883229984542268965196895977902894647883452476403090789464261256724907782883589 |
Factorizations
| Primary | (ID: 221032) 1618635595472851570621 (proven prime) |
| (ID: 221033) 2583401774543033226748509479689347743631618986374774325404254599095294283071803043162471948262784196565027911163071793823823291173393923712583602188009 (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.