Factor Info

ID 81019
Size 843 digits / 2801 bits
Status composite
Value 989409938561122309274483766361540601174250608913568345729043948833943591293269100355594483117360262585034388282978447336347221926768135352378002819854445583120952190759821141429509749125636611985939617954296295532722961919623362322085290798781700323052475578504857481981660612249746622548966032949530808733840823772792007020014565173827575966146140390640038784515219296771182993652508339008315232062010547384666745865667279430567098867490823324023984409834031500166164961882006120709273339618687265321969333661276577138235129295654586668742013581082928563352430620668984139522946904734936199712954948363081552663207223486762356231212885197473411891599025469858989893394270527236004493942979032232947400199282169690375287637586622436008596176603150940806572837394573666468589289922239844741226963000644190692950781790200356176860175858397147389

Factorizations

Primary (ID: 54875) 668229430151772307653060812800711311233 (proven prime)
(ID: 81020) 1480644063127242903684828519129261362626584082034342262823304007862287354423937076489419318771250831056994443920890588321508166285003836654829049047032616817753467559660632724983789090499788896276650069367151549310453147617298153733488662243296390808006967539198987749414207390587113718383409257006470376877290658806125900554108072851187348750839681849985461828853360482112850304368093823139671438020281030562996020284705431597727814695802435667078909413526251231705462708535148595377824013876251391169208033448881196843581398890043863045212967358873320769546956742972804183823020757821476250087573974193195217157121921800713984315207892176784918834205810996942038117803838945071707629063034042287868836800106916120391518241766424560935986886445577131990353932392985719221915983844775058319889971334999933 (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.