Factor Info

ID 21809
Size 649 digits / 2156 bits
Status composite
Value 7084031565823606502703956784110519135240900407628321881717732523286577394232662634671308213772183729092268722205483102166519047433941258235644126205511084803567249701524809599922696075908413359659222344495093365805183172495506808094648008324403246168259764967020109328649183158187725724378530643880311346992634097865746033360861188036124433974598137929902568549763950611954272793949357381408117959559889331048499277815817374740994427567667436216721550543635930437083782842556076490903360576668508726185344461533659484280932537120172223644701301877247293880326981650433592700705114364143694296347291074915812930960767669584496626947483694818568048059

Factorizations

Primary (ID: 16499) 67440292875072467734808551587718580464816759 (proven prime)
(ID: 30540) 105041530275471751959589476417800559595266250216682952298863802514200723022794689723809090120353539350117110881159068090027189358483786069759536410557430239192943817688848115478327834794978996161673610482496585676440465428298067253096970840268713689009626900990914196831097020778205315188842472529536967154048663847245307681903286236787465297727643930576655134560785316884897845607200382676679922767677115477523482762063621268845234653373689607044655569937335677235782954918124739032547786505984800996314395093356194126942526498295986620009224141326020097283904163497026495879142595435726781893728928500701 (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.