Factor Info

ID 161991
Size 657 digits / 2181 bits
Status composite
Value 220804354564629584790805598686772692806517647583763107110164869814356027996775461273675405641633512257078363155598974422172241023415748734321305262689459998157256300860541155127910507216491005411406023588947569122663813154852269073365714698288120920438528747084659391481549406833905308326832939822512620392137844556422618701556051695767431170353382646524254262895918432326505392315482787027937456213717746319708399440579535714933773374149137577544725211446785654785654733398688974613386506557804645786661640232973542420112906777423026651486528969024016495880917081969125488835217921620375023435939040587083164094764710740971524331634200272286337472654621243

Factorizations

Primary (ID: 160989) 134558748582625806055897027967437546362909591194322144995329634696463523013355669540617 (proven prime)
(ID: 194265) 1640951308558318378107504050569702310151870757391799350254656241882410935954728871568202729380067175463338218823460697393281220585560481553497454913985497016601634196310619558183621527306673262657096663649705565776368326942212609297891778316950792150644553387727503639034292674225388262084349797486219040628858805669247841795866467017999428373559429373000139763163823353565054352071215323702143141833759180851373993171517276558329568560534365974799242717300513675805106121222904629392045419028719997643095178591192691627170244186874660490721978189343437308346627749612579 (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.