Factor Info

ID 171956
Size 427 digits / 1418 bits
Status composite
Value 5358114178877575376233182420881029828746920085499932357561376711818569858917698240448143552488626608707657038990014031383077570966407084572149795247482994469720137142436191516160673753703652427780207744556442795402587369893213058256512378042933469649512542679931893744767102557911781218371991232649385517384850402008257906632575149831288438913233912765824997536030704160460472445860552108650887152242616947403859048103572179641

Factorizations

Primary (ID: 136405) 317018172698691402707105521066838685448001 (proven prime)
(ID: 171957) 16901599467517506019433196347740725936471624536458740880306866831311674881060130039000702207345165057054757597740288285209601982361907567551328958172227927291473052661618198061507366306709577452578476712006152740872423121880996790259278893339093105628313979947965868543076792163012491096364207193181721864823407880659524374683504058398551229992616435632267463546702461462257110272011641 (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.