Factor Info

ID 128299
Size 312 digits / 1037 bits
Status composite
Value 879624113771827615529152788163414270216719480780408070000637990794904697744701322756457171573548159844049663759053890738039088726447748054164184036456549153139101463688095548455578175272808768087142854007409682257747423635429051643339639117743743366262202138270420310477776972268636864036171040658418491547208881

Factorizations

Primary (ID: 607) 2563987147105929622138082038024801 (proven prime)
(ID: 128300) 343068846801628082506183004219935917680660740558066988084116705113588659064512946871984814811731773671942881185966734613391704592538212726393794786918914838256667158582501135775710188806641689783820622359386983760767487491539190176750261534330710660062638040124169092147907200081 (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.