Factor Info

ID 21743
Size 534 digits / 1772 bits
Status composite
Value 256078454348145452057167376548396916107632956335081656071561321534437327375487711183225210128341939195672418630466970557465668893650963260961063237764296729990225250854738500885337608651516863562743731806755353747488391515554012599604530273570481071822644137124643183071786483522042879793130024001576303105385398616636633312724698093966423543896882010067074328699911274536264402920536790202251756689334843954175794993877250617448745598834405724830394953848174129588903447503197570898392082062794996247994784631871009982013921921635387

Factorizations

Primary (ID: 6910) 12819112747383653095727 (proven prime)
(ID: 21744) 19976300965167061600749861582564417990208302359799833758155093627016147896377452569803934312884981152362895040763845620785274747260102283538990975489069932347785753776202124485094013757482424873008231144035747283526618805069566996377283468619679445512882472681105205289022641736277997455763490989053581966212994633662135650055140393316688830410778347387509432493258985911297927124511830478273173857334972840662195231843975941909713959243690646356516293910460531821316561973889211966711243104541027074862432934581 (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.