Factor Info

ID 178551
Size 1001 digits / 3324 bits
Status composite
Value 25217905948881503426354398437469423970291238799999210956377486848958897638710302029607984971536425918482444860261452135857407313440510366293208357689960091722135962447202071835172942779784102592993483608535055256808709781596858504990988037579926949551054672900638748267666985573879451944938770272890335112439792551583344285608898462603264206503235140518789330063932622769471458463472785288101340997635575680298378289782334370127545411282984168104535921448168670003899559013159677304444163862457539076924053997284073098286253479708644699836273631104324559154198270678162566087619616290498559881840937939638648038924231172728169404378420754973792725163791033272437163776662938195442101809159785106072600097134554770976099993756316679007786032793867796798500522490365639499371191333830846971277364713799670758496964316669826861198090940808205143142107307477895514203900406106288807827621755989768330139228682283494787180381754166475490064326093695145676081444486034855530092624441912346049507264171728693

Factorizations

Primary (ID: 16271) 2843809592323334251225153490677489 (proven prime)
(ID: 178552) 8867649232549001368450571032602213506392411509375848465002869861954269164151117963816065492502836428294400557901347029704554128834140702464626978310551036074789771548760358975890841981534452398478980106829667282709844535356735477945498237782329347222814695442405716497580670713636729375553260269828428358534205405136390168689687879436591290032897111664859685408074978239469840781073020145556159203812533091053812008257346573335507498688444130025612639342141067692783646751078449804494271556571749919878683742625869660207650371120421227635923870489632880401402083084231810013692570623904387250777391496640143126847547096806242183133081609254147924446528759120690865634804162678316142426588075412804908384509965785826073607642628501211266627815889667602953714802340107659354396525175334359393645582905506779586756591716011092607846370352680903861511474498639650099448689210214614667502195642487774731641398815544356496765469139872767339665991465264991446116327335394437 (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.