Factor Info

ID 71389
Size 431 digits / 1432 bits
Status composite
Value 72653653904774016994245163533374632618632349209848785231579201233945170646744594473024070037076338319875574219383920165723018819273887075851450326005465697149710387748328604368107955902390349067011511882839902882643859985641655033673356314808413924443030729704574099958314980966507491906503464709002523881945146716774513930005627758371086892629805686779845589382499646897521735546074714346655319767462915215254157146991229684713061

Factorizations

Primary (ID: 70521) 172311318287603732461390609 (proven prime)
(ID: 71390) 421641797107652919144613661879918281624545748266558000539476561506341725203806713279587547100753833213763161791653671900652538264062637142070796969543389572173527660953529070233499900262218224781563568876092104732065354366398713911382043488177074886442880315300128078378316699756640415910456414798803917636625216785143095866407810518309841955174171848316971409885210792198863897381824586784086213755780629 (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.