Factor Info

ID 21403
Size 548 digits / 1819 bits
Status composite
Value 19537201304385390598142865908193864187333346451115129844957795664553298660016438951280836884078030766258293746156855421498147785357443347376431837323541261041023639118981519656593100469156108444366879943513741527328567109523349985567239206408654720409198802164037526600944320561139995652416941309886284843503758972970923428270522402724909632486127548382767695680906692463471289445020767545823026216512996552298715341876132784152843717605960685971275510750061049949886045608440162104937284475208946258089564708481363813086946414830449457572349881321

Factorizations

Primary (ID: 7240) 73688412163867840421869 (proven prime)
(ID: 21404) 265132613536829668584208289482680102045902059093155740685622997103392863223244729693198455989833329844715673809346922986419345156348041114435650070819638616097591705353479653814863563199048832440744973221941638281559237972120078077226411490613805873977921661308261413259334660116308801874045208698369921364991422118681389291255363646345958499313059294185522944965885230675352642102478100171524086079794763621286683631455767869637888849448742668735463153697131519636872946896630516136835535055986054918515281348838235909350509 (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.