Factor Info

ID 21757
Size 482 digits / 1599 bits
Status composite
Value 20908641120404959655392560424848834745846021762875904559487692240338873699807590673627562495919910999633513737766077654014627101517209615971029516742097575242689369645050840190019218405408162908353868305127236919982064086377707033492815901382177179558792289836639168295293973021352543613197205146777091899617168034873538281810821223439123868698354268017308074774114760932254918493215105655771979643026967831207522648857511305251252894351979249613330686217201368662659954316304443061

Factorizations

Primary (ID: 30442) 105404102949627434662169176477 (proven prime)
(ID: 30444) 198366482283874549409833616117992286346569260628473424808904573536121545046169635641178258674162888864968576561389174458490868685397010332147532418801525651329883057701200212614636360178830495867231218547300030779051467218374211016680673875934775457163464004229968150301987511783544848081327215380462892323624579010434623235151875596167553218699719004757812628871462256682069798011136351862322339589979075177425186767491823196496941202278189761432179193 (composite)
Secondary (ID: 16275) × (ID: 21758)

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.