Factor Info

ID 175156
Size 257 digits / 853 bits
Status composite
Value 31286191145381806988748123897714493353959831940046043991743183804029001070695602293361142951236963373079763095360830296326234636144212138883576822194149831904255456714185952105423332670736951966192623768887982352075479176520352398971501177462779790648828453

Factorizations

Primary (ID: 174278) 272816505495215804655394153476255236688667256375341243844990279415671442891583 (proven prime)
(ID: 175157) 114678512902257123135467417427572331101469714833681441164218458750741400418720072467466191116325569647329034322112132295284716708572203449635060504482351465945790828536057773716891 (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.