Factor Info

ID 19058
Size 261 digits / 865 bits
Status composite
Value 155551553765403428105736665128729066690612639832900794942931284830324973077641931583024446516100147673308760132633549577636628019872787183226985662503839587472102565898478014934145059458364643411165950064042619727567386406848319870488479810826370335998963939713

Factorizations

Primary (ID: 19059) 428209191776225441650116035809142521 (proven prime)
(ID: 19060) 363260660333260482501971237860452484366500918689452806238713836424224902070610463155168273653373955626203320556686823650583215430175299288405684678361889316217258730248936568217484888331480803400795578930395978614090189054153 (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.