Factor Info

ID 161888
Size 571 digits / 1896 bits
Status composite
Value 5238324139704979888269237102564497073457799887905434895049811428557761933899962056521364138606031270813949295753131374514985422129290062164958657038406513863707042157866869994703028841619127296153066076429754166206680378011847745599758027784324640990638326043191907209265534662529089527786572149958394689767340830924235580772087479840325069222971365465616483111237889175944949693548230597578487430841067309296008018953565256657830830567772645169321530983302197480016679054751564277325638362768343931330794119199467457409791039410144817329680035489002774506893808867430211

Factorizations

Primary (ID: 161889) 5569973854238771671123 (proven prime)
(ID: 161890) 940457581451409315704444815232387066958363115924136981990213821365703097488970964533375914899361382119814479146905578835118701017970191398824636778036300340987530298574529476275669658431643271692714126191782603895928402986233577828779239516073272398584661825535861297273966195822980596498812220572691028107045924752013613668956062562038431223517788595534732143747084462740509316818177394570883054848234735504037025594750742674438750204365241971370604639887018630768588522420865405005050312125115023933106536890463017500487523243645771148997466949457 (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.