Factor Info

ID 30679
Size 310 digits / 1028 bits
Status composite
Value 1657128711853810398359872821230568289700656624791873558023779153247396696319827022131505680603802552615932420000446354334790516814818429962607736983652799808524268621040105470979028590131984309369290152850121286866693427221750705564849965681480629483751354055632776795261210524504009732134656191786121094793401

Factorizations

Primary (ID: 7505) 21777198152670085407545228412531133078179560879352228259 (proven prime)
(ID: 30680) 76094670225087295254274979016165304483019077058129406409065221842127348712305556008215072969557933456803413718120356105527888286289967988466964967380964209118345988490401476372054122140734125576896191774226847328975109876249664785655598045364794817290739 (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.