Factor Info

ID 20890
Size 250 digits / 828 bits
Status composite
Value 1542191416324938560154957495902393544377901698582576450163620386078008789149974360220145722986590910751300637884805423670061180540434438436727904139823492046832354933531799286667298385000337116400865657147204687149516132939153160378721390104489786181

Factorizations

Primary (ID: 6778) 9867165115635267180926131 (proven prime)
(ID: 20891) 156295288287131221577085639236768165944596614094178273472220931114355510743359242371296125800990315086280931960307559709331192169259082244531994733731938591801800877600780282905839655679649981069280530037225341757766749248551 (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.