Factor Info

ID 54020
Size 603 digits / 2003 bits
Status composite
Value 581919377712537217202416033721103617019059086932195791014632786816300405000487088391046101690578126911653017305588122412675480103962907920627108297831486864272794326589926292630127053464965156039748798212834757058697369469207135591701197567541322268822656649687620185326008062549770228251193096857505612897815032949969544087772491565102066682970726879032826928192784966125261381488407236573579643936526633427226804261212359485084180700267651580910484059630551290725780034068239049413987722451416362960609360299007455022270692352559248671784892000281199310917893420693692835326063315331687859208236865433

Factorizations

Primary (ID: 52557) 28151299084766629509889009 (proven prime)
(ID: 54021) 20671137625312229910585914811771136346327735236026262923754865258264073517226199013509475169534571509324666872267755280968584390495544499339519166297992748848746102268615275151506035391384241753592746743512290882371183818754053914336051763141703550675003340364896214323729492877720395771054459522665455862401447041694548639769303840640098199407710328478903556666128497454219013353223103961352378395875934567653798450666076266209219825378021133866955781536714482316415748276828014267102481466306032749541124388652726623429493805952578472361929122751751575334650767128218014096937 (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.