Factor Info

ID 8139
Size 272 digits / 902 bits
Status composite
Value 28150620050359557467119300868737908712667180025891185720518514282767700767027947507761818890416337209165154282390016905657889295751148573590977525434972756415615019557201835164057440960145994551112082598360230088714184049362659654430568892073346741400872380999119979097129

Factorizations

Primary (ID: 7589) 3920344350409644507093715799617 (proven prime)
(ID: 17910) 7180649844552059234524948193855536172032243552369500047581257186635403548763996603577610827217311915951186379615826480111723216151341379983167590812695449486856396693184344032718332648761218102776218699669924528227503211603965750188057768937 (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.