Factor Info

ID 21344
Size 457 digits / 1516 bits
Status composite
Value 1556736595274286790771982134949247423469652175197650509276270779349701493620306778270883104070374239114697547843655442981599684480474249307733902803221796084138171480789889970210792822759574926896466649949892023238367641542562315489234682772391809116207064526847343320725308803469153425062172549543800745171183620741072046776131452308395618861159478531931778959480397004906453199044199911074150143961375505076141988442687475489914274850286428906209218588219

Factorizations

Primary (ID: 16378) 61562630761411218787053569 (proven prime)
(ID: 21345) 25287038192170351093785034631492665114958143380917265271867297383225202249281440144734004665339578726380461631760264091812398839806749895922207914222612955143512109756122875707445862764706120613626574729302742529561854121981753748224234321987406588629507832994550506124170814358172498945694250992248310845529037261295911920760864645714667159118000018966802353360009286443836223159041806275393095228224771899913924421777885842529851 (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.