Factor Info

ID 142177
Size 671 digits / 2227 bits
Status composite
Value 15556956945486369590275177448155867503388909628070943309158903712552432673158390634231906245309458068763310130845849263986938887798445473386994451339815361587006943666509145254424385042385450094363602065011243162329928771898227451898811248089110407112950555340451660302404391379287184452182832788697554056079515116225906915203167214465800537231416435277377284521062209620397964147243627470850847857625239240206583552561524403161378688643508606494125986486338719615678904606028030461009995482521408884595763677488453148571990146775302031741088784151811618094478952404192247306310379597789291203307271852266303572909424933378812272773764765230021868103361926671781060052387

Factorizations

Primary (ID: 17042) 1935635465952890802398761 (proven prime)
(ID: 142178) 8037131587598732503479829219666135366877095087025374445297093969615634384442770408468186671144484588868363893048522905820157628079098540877650558730298798045546042858540032453674749843552286839057214736269163902806922731824228448806397522278196720736349461660150760190399608316478253666799839103327252628641146461832139507497040619435237877604277318084603673527781680557102865347978277817040783524257896215218959368618596090930821817037048803465134820649607907142880975662454268118748850218234588584717795132454460180344500276159743503835654324532553144381902900007865672281850586220185314031225253338020908223328141674321259070089214500979871467 (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.