Factor Info

ID 21996
Size 315 digits / 1045 bits
Status composite
Value 218661611832310303216894310564122110625207009937702211646372292270082809624614922781967633513682446236241633155265719605038564943141686983547718326541368533942002050721787584928176089559197417314316040281434885382610927334165073382763212168086211921520833453212687708412630534409187618988052161067015022624556976829

Factorizations

Primary (ID: 7627) 1029538544148223697293 (proven prime)
(ID: 21997) 212387980105414461826188462880990153510140130061708111825771546531138958849325914646830323570644590993936761632202322918064844428012990489557409998965053917117176387740551965989175553131774567939125209267842746752829611282963290773842464307381042326040810114507761507213021278652591482687687153 (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.