Factor Info

ID 18628
Size 300 digits / 995 bits
Status composite
Value 249505363991447919102465958098125952411842059133506744547878753180214972964030257089824037767747952736175135276243733594884143329898272611478792267995831017898405134213154515204813005701909192003057208638836235522616506142556235926124121214580599008491082642261647117582730871711424625576616604407927

Factorizations

Primary (ID: 18629) 1782698571759822944425464521670215514283481531471069 (proven prime)
(ID: 18630) 139959367188556287133150100945899824851274992082028375381060706736551230281585354122082579777595758247665463207144619768657705525781012643872734168922616277756387111601010602724425467504780786309483660983009987792660760071309217101688253861422166883 (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.