Factor Info

ID 163987
Size 293 digits / 971 bits
Status composite
Value 19376740986518151976092792546771990647321031160552512290586746849892780684808238571746687084765156059290044100691299847255882426803048854370567913302323956649879211655338354964723683087899391062926078444193502443274679728003213182245556440065275205819577511878759538441760776908091347199226821

Factorizations

Primary (ID: 164687) 21899337180117727222459361 (proven prime)
(ID: 195652) 884809472868894647269237864918420561683992021001020345970508081223905981584226157745587910281562343605489868077549153540956834251467033959449761649412173093710271674213158709087168581176903992135046399610745195488891859037391536618082058640353877433444255514791797861 (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.