Factor Info

ID 172172
Size 460 digits / 1527 bits
Status composite
Value 3490597153020162741919207099963974642072406736028946237588805661376646870448498305795872295839637507447499866380192968632735482314128370502239119263776660308482844838649129164332322685711929698423464702550484333979228203938586567098841389158598173022831131338029618855713175348893918988024635484849593139872606553672489640667196017736581283901988829290357124454991452107553574112834380131394969330058964152872753650296011219393444996553256544477434438921345323

Factorizations

Primary (ID: 171571) 162467615651001031726239184078571592374128347247874835157363186000934495972797667 (proven prime)
(ID: 172173) 21484879549893583336128292481667391013095705172371886342756863835514985776943752167719951885659899533067077606299195779471021908074396711886407028734449464395608086304913280087607012763645663549960908516453318496816610556701838984863251186663198922800373049609105958413769223682479892238388091708929576967401386386286667978341846342872686391644668539257050448880372566683167218969 (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.