Factor Info

ID 22558
Size 528 digits / 1754 bits
Status composite
Value 661479129092682334710793137543725608993331169704393486233378912241117533082134640018955186010914873425442592884288801852413183643933612597904369340238230542977900604527124605169809791849615254460112841393824017699129556925395539553221166374699047758901283239177485767386026160955618988959227614920079783224407885045014449146616355784826945896466312994573571775341899151503680719185049203045402068237961746563135763331307515383447066436496927178527571791288055532807757085440465997320180547773577105357044063092656079781416904511

Factorizations

Primary (ID: 17104) 208210289142572055121 (proven prime)
(ID: 22559) 3176976180268086134876396663399051059274698854399014271976381993921708229484168130454201760984861325427840296349858273397988582535888495107314398161603163415256934417679725419308619961830041221217647358285350844480747444134533218599934934977510077622889066529243216808130582325696075109209701062162582122163194246660280862749951432320904346122575323828580344960661946223968745106031909231954534752290128386948819315855584979652062705901356198931220943690304285880723489537020020253123492135226411468232168591 (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.