Factor Info

ID 175258
Size 537 digits / 1782 bits
Status composite
Value 167676892038259734072204025086765448243350833382819311019015801992861871509595994796517005417327483843655285609278791222052827691094529948576209687367305009182947684279155953469085459368312997992413245748475788234572990148035831831839802993423508062449143446653664881059493613649081905792736300025261015688715500011896655219486376369113278521167875535914881908530167403176338775618400149163216982093619663634961573319368343755942672066498779812078272514215979495190226045191348402541864819987349009697434337528604669638101640928803820817

Factorizations

Primary (ID: 138867) 166587177136355398930519489 (proven prime)
(ID: 175257) 1006541409252720446024858493707033940225449154482586880420800286560390164903705374661333047824086973156593539476415946884598940684385850866962205327832623174788126639117051523026122513986137743411869041378570579236684185041564589562846358346157827122514024022211529327597583717466105295335599345432134606242239865604531949981772377161267743355328666717961461092588190301022721211334067237397866547792185902308480643611167279771806635088019079876893040555549204831722900895141088986094173590508306638984023651153 (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.