Factor Info

ID 21489
Size 541 digits / 1796 bits
Status composite
Value 2521522277524754906216015423756479261921558638227914129747328952767367834853253579623029821284646300198415429144474213846534554586787284913395082348572286059036349842917436720428944018348258194799180476760137078048266192652144025726066614159984875019225038456711764175812763073689439499818372290531025887883561905829248141069008952176648402925552459878897827947763964416379268744726185448601437686653846526750766211215123303641531446841691811607119687410165529906701351536833004467733183544166539389359697845246741585958671213268552943256619

Factorizations

Primary (ID: 6678) 604088623657497125653141 (proven prime)
(ID: 21490) 4174093301506028459449685859190867087918954947619162326142218995204647652380888995483758894572379032247790475059768631648271179975280926646265965600020184424174099375631516580469404680379900311586375748972650929264710651523513641477067091435379152406877964488759619160085618854115191524728248789088990333658851658163723122308499739943081459128941264988282645785184965103232661021897592214898782009394505535557736286636521680809948121997521616739187688573990051051263975036191465124963825640285115216756784322710119359 (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.