Factor Info

ID 71507
Size 496 digits / 1646 bits
Status composite
Value 1587497950871874290961947646394729109186289663518528925376788292785992426859074748437415570914861111452453935423491606273886571044009024283394524325236021196551661125402415855716162120548915617162898969905914343188023470987837370865681364736373885649401071287785414095480034252893169805481943267965116274380152376698798886842746950447846604006197561645959919441464281853913517374000708534975962528412913696750377705369126142727390415026987335940134450303108748823597024272557418115995420106725907

Factorizations

Primary (ID: 70526) 87910897915022054334374219609 (proven prime)
(ID: 98755) 18058033628622572954300612456974283951985574961223868073601900803825908549005421870419509214403653251149880059096021674927587283850200698100507080645910216761901361854914828119589625689220215194383717746088831827486304055072583586747642644953007797615146379514103099152378260119315889331835654377849318189075260747212979206406943155460526971726828194777036396027379654319684067893750195603767514449869604935951757382992355941539953943250307280530448015709135877346123 (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.