Factor Info

ID 154743
Size 129 digits / 428 bits
Status composite
Value 415081157591699425924186845666832078342203641170235916678525996763698294509674544893282233462985545712936264519534797210294649777

Factorizations

Primary (ID: 154591) 568972471024107865287021434301977158534824481 (proven prime)
(ID: 188768) 729527663868489818869443753655962819807690366535991304169573580552940020358902345617 (proven prime)

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.