Factor Info

ID 154973
Size 332 digits / 1100 bits
Status composite
Value 12747341307876691483812545657270690095675088939848108401495768261438069119074236859469836462381229990837274099458394877308419552262927459746736612567190491994411168178654517849239973124161021045290200237286425454665741412514556736600333439455582649886863936577297058214689846145080649229157772627071367078444370992029099217538169959

Factorizations

Primary (ID: 154974) 15861946881000542097924949 (proven prime)
(ID: 154975) 803642919971284944227599400724015014991675838999441514703742160740411972318747443958622538837125817247449282476851449194909564780378485985362029576514692967126776270684790763166912608093549573895185577907089765359096130223287191153612663493651034232868903991307187395301491718244748975231741468601843980491 (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.