Factor Info

ID 21615
Size 600 digits / 1993 bits
Status composite
Value 448667841888642747479535440841487410045756294965694105239011202582952058412306709562725471416589173102688392488495173728934847747932767777389815338219817598653101293685131491080042210938848604655186317302427920971677561134514826772404002877842882650750346874922063851570592493342313050227462968425277470893362819690766466629506478884021736050881276868371400174683740937420728667220863513234113772646828060171938490962688082868851440373775403364250450149561435013320627564529686920196867386963525783187541326157501613129117569812170894350167235688207024644397129345027624650462093389557522863506431281

Factorizations

Primary (ID: 6888) 63785116081353654247759 (proven prime)
(ID: 21616) 7034052290763207038082808190357957436820376952343946853044329149925994172742482872821033960895766940965633512228217591665291812007214529498085493025744628616824903450328385006350060362099955266829133584327260505071723621506102499032915587113665895153379983212995383584917937481043325285876245043480631363959767420943746999570691626112394748843933477608229566588904075142541358870998500178508205928257868703988629965989673334609547728866536146520914386214513322320014492848067319801774027495040408445785470442613542262651779538513848306512285713630559884462326298110136987826559 (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.