Factor Info
| ID | 17721 |
| Size | 211 digits / 700 bits |
| Status | composite |
| Value | 3527047046426141941167635212583427008492421927015815275339665465891944927611511453938284651695466460109699143493827288171011872286439823845481274118871240194448442428975552267169532962642762697125544327221013781 |
Factorizations
| Primary | (ID: 17722) 1678344944256404343567249074912843728758314656626879658903321 (proven prime) |
| (ID: 17723) 2101503066158316157792620581787575799528139397681844501255058353738999808170934664036109752117899631654124403217933108379716836573989314425401844007261 (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.