Factor Info

ID 145577
Size 498 digits / 1652 bits
Status composite
Value 173654260135411474940129345962459834729010524212574221944566343824045172475364822323879596294178475737935880495918971508810742639380350129929929113772784447738707541808379977215214427835320958009084068085250002715027973494140075366836498492145950744224653111481708702619417280906289274752857914038068667370679132905931131406242809901373271370023381007788197135428921990563344379079330976455865906854531823271320953838655196211908769802748612861403273365988114911590889686236395083158897827449953237

Factorizations

Primary (ID: 4231) 12812432238302009985937 (proven prime)
(ID: 145578) 13553574911115027274014092666801385752403619687710905074347904391298902097709827541035750020924604212818174619084253816520601902943295361134166651024298470213118700918902404029072142189543370618157380520337758622784609280052825753753477520763435203520804167562503982320529519247488226834400575725350289533998891022222259189851714542894723253076720565041476542917632636147337786192406573552557701714319694156278137750959280019684971920297457374040240241510759825130723444752901 (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.