Factor Info

ID 103688
Size 559 digits / 1855 bits
Status composite
Value 2506757906648101680546566399316857479030278959459865164444060022996979276147408956728648008768835006690674418701442080746668118889456029435197156210780341517879769687712929000945036200658709392912135070251245194155384193887235911889226112278242582793893930070359104288334809144431284963088574131208241312567062672398901703575090013111971358752944411573843939897384322038795877509175417521605321080824828447058455979415336995930397618834289413791461812573263853360979740903189331069156086521005806201668154744154833351400105020662733183651286158536440796554243

Factorizations

Primary (ID: 46812) 4299432732040349195502376297063249129 (proven prime)
(ID: 121981) 583043871803638752540598873646689338404868225254585063581408093875578549573264789323170638223482781983543948423181562720286492539615681974756902809390354423069019947574471655813519892013118388848455455511643490070967372762222825270286596224003409353532323315734288952731442050966004457091045659897356223087314083641024490962023786908695948306509651921631818188947051516544443182041268701119342781869022802652037502481823978211481982742399439392786945108036141465252087274466226960711996455021786925410405950391474821459467 (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.