Factor Info

ID 42653
Size 251 digits / 832 bits
Status composite
Value 16850272494017746458402822565867091323049999206052012241262515035107019936826973323548091952317774545472887752550648703227990788301226225257040244086526255284068825228822089520480694437274898187804395156947235063601040770814725080722667212255351432589

Factorizations

Primary (ID: 42654) 1308450536716073579824540173302193893 (proven prime)
(ID: 42655) 12878035524604749337801103934050866844429532833831442945282635889940005785892362770321760928533821604773380051764780862662788609406568539309643443939694941832273845744469461105003393501907873157391485972284880148873 (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.