Factor Info

ID 61971
Size 490 digits / 1626 bits
Status composite
Value 1560139582404167456159585560465484922722631352902135040180901701152482799618309319759488941754773297892498911206227451916009049923993306139390932785733713083392067699960389349226650233919904196969665874737688550665628871772508561231552220044665727786605878084224707576454322886410316753364391681818761464842821679349192270693388620286476131076205293069861657752117324465367845122253663465538665809319577568060288751089654195400491114338741724833582521585161601867197112720159593042637804463

Factorizations

Primary (ID: 3532) 31347559232075126851 (proven prime)
(ID: 61972) 49769092733950957606260017871878571579269849622881363330108567438814525355978759517108250615630152624369648609805653348672738651639017604997416961395174668632665673832294641261333300713731483604190775420270767168896236682538129730451941926506522170779531064020683407583959535211401059531540867012982162895505348967504709100657929340253671805126506608588103605181614756138242843675883172505237662068368120198484552544009451127774350268154033207103283526458973191680165413 (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.