Factor Info

ID 42756
Size 279 digits / 926 bits
Status composite
Value 392377709506318779769253070993847334441168978663938849297567589161433554643705123639030371438484582072386796047821540665501273169761270122178575093452591305450612851433528884366208169908499384206775798890563273691025095428695931007427775558386756156656698453531165086715533069989

Factorizations

Primary (ID: 46668) 21267735919070716687603769 (proven prime)
(ID: 46669) 18449434909264358204122976119446842918121173445979988460899809621097383319231037242935447371812072806952154865529835165681764413306851000795826773600997332879105687981726993716401522441123476586310219703537342246999567766450690255696686364514310895186381 (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.