Factor Info

ID 115815
Size 256 digits / 848 bits
Status composite
Value 1618872044727267630291331890328731648314735458839161382568101064692821592434353706656448195795067904207742215014517882117965128038264857406714851783437854718003790324456253318125065340444121461572198825338624233762530264954867054308195574850470690120689519

Factorizations

Primary (ID: 151) 3185450213669826966828420712039093359617657693 (proven prime)
(ID: 115818) 508208239381720340448799915772749247708721228408278670007897359618525008313784209229754512392366790414321033386997199345861275841244306225924315522965314168580728931925029088592276103939007755774612172196257083 (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.