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Fermat number 2217+1
Current data
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Remarks : |
2011 proven composite by different anonymous provers |
Factors
- Proth 59251857•219+1 (GF Divisor), found 1978-05 by Gary B. Gostin
- Proth 147839757915544940745524731796...11(44)•219+1 (GF Divisor), found 2011-03-15 by David Bessell, (Prime95)
- Composite C<39395>
Factorization
31065037602817<14> * 7751061099802522589358967058392886922693580423169<49> * C<39395>