Factor Info

ID 221461
Size 789 digits / 2621 bits
Status composite
Value 641772455067602966877712346731125398117699741273226546741736309684708141084529994461022125313656997418419905419747664050635746248200827133430794502005573709116335315787357065837726384258204259647725327164464410833092450726725487742177879022823721360355901723979354344622985799420215541410263376071934392077999042287020480301821346833548285685582689561476517026254331009884827401483906478391830498928171503786317674568679740853776091129719909940628407821271080796163379209203555657627869371317430392863131747739242023595766398816047985264714220336154165976984234206160442671916099915569112644661291962826207774905024708353364804438531861793144092572896734666770117770732550214810115392696493349455864570737605804111245465538089480048367593712212817412333736396614268440145102781136638452237

Factorizations

Primary (ID: 221462) 31225351495189054811 (proven prime)
(ID: 221463) 20552929729757629318630564771629118787473752985491065236881606818375410530446159190501731033987861908697995125973029989938820827110616051702464056065780986295428271458626258894353531842069506981482271851467499371006284410137983484794299705326177422928897779503924988834799074433857721804652353761286787475343160410565373907899358545435199785531003610349453733316874465191007813709047710345767663393240200050263582465097082449052324050088740424224586505880139549498482244003303090830458208813343648900773615772495755212702389303112255334301911312788697763122048246061458180899304219178807706019481587800757312852319987276261774498000596077161948053313388047136189243710915634837119238606521785641044060605405066726561697750703157284035219575188844984952279366444832950967 (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.