Factor Info

ID 81646
Size 261 digits / 867 bits
Status composite
Value 638418174360078515025834590822398161892351774485473160245801383003101909447284289685418119940576624992079196593216702433842524039678208981489084344506772051893188543678413889721286151268811221128646604694316981512302047997700125608965638704153631948124562009163

Factorizations

Primary (ID: 81647) 4566171394503153739604337638754482445583059496442756676280190345518844834054461811846282087625734676481786961737 (proven prime)
(ID: 57390) 139814763661438284118356785430015550932790640785027541126995706450572964943725463740046305769072958090285736507980283441474857344987167380879548115699 (proven prime)

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.