Factor Info

ID 166027
Size 638 digits / 2117 bits
Status composite
Value 15695591208130000116252904434839324079962055561717432135343348644431295894136155597212416729840636965954295408695794274995620487236470337939135926077315540026962666343265662709266089310550243079713256807181424185470326536846575324025840618199335756792812656116448555430905920525132120493445782102949067350821906721155233745068792890737892529428299443553134198889167096015147787598378669163314011880595922591492283471085438533849567577556030031581747405348140819236345181699098317309110980782203940097689370902692133644404304427817862094167049423835719387168424927180173858045584612669595645104144652386779743631852147045875242991519421007

Factorizations

Primary (ID: 21873) 42555528171653758816503341 (proven prime)
(ID: 166028) 368826140397543810694373701033151303290738044024768988638336231212372995644252406665188798585842817407223046611509702477906957538993006382097886956996558317454591296764426952064760016007115001666256158306140959873875753062671475531258390902623610560118810831518435440156475794639378045714583465270668375785187321116387774811280216209594077672659103986710832799861109169965226105210277396673883303585333288700047287903030552587205032594880111877098121692916211820977939609010344400691095302028439822047105831135028403065658193749267995467205357961022580475976017906429851638917965228655337435392235310174236238827 (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.