Factor Info

ID 150447
Size 559 digits / 1855 bits
Status composite
Value 1822973047067328641237289863552367170711580782649044460057738171425268948379135329842944579975281548132090346350695663256015274086222555265679908717921211915295359902323208559223824281557325768975536712340035150677866670961508116503991586642840049333168065266815341353219086234445623017507650176453596641179442286315383344332044393611015657905469724074553927761867864093713469596556912684695570075145311459132283538223042017413265523894954490234189407001469587086050009733675614143333331668937490117887463123678131462207555164155067207564874559636870914949403

Factorizations

Primary (ID: 149732) 64194072873983107981983523 (proven prime)
(ID: 184537) 28397840570825537896557195630797061885550666000964837597358812441613400593287449501165422287503834364852691227900838584863134586271387357680283419348478233940084335375865055453922345566510915942450607895934684009851029170218842843981218673402620830632317436204541957571874003964932231156180583474009363925306250579947886988494785420427148187363462935535999511178179911163196921362693636375501636413784667919685388129605270565204120165644691766481863068278554699325701300827024920627102984540829410443419893726971599929922612579291561 (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.