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Fermat number 2^2¹⁵+1

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Current data

`a` `b` `n` :	2 1 15
FactorDB :	ID: 1000000000012182792 / Formula: 2^2¹⁵+1
Digits :	9865
State :	CF

Remarks :

1997 proven composite by Richard P. Brent

Factors

Proth 579•2²¹+1 (GF Divisor), found 1925 by Maurice Kraitchik
Proth 17753925353•2¹⁷+1 (GF Divisor), found 1987-08-04 by Gary B. Gostin
Proth 1287603889690528658928101555•2¹⁷+1 (GF Divisor), found 1997-07-03 by Richard E. Crandall, C. van Halewyn
Composite C_<9808>

Factorization

1214251009_<10> * 2327042503868417_<16> * 168768817029516972383024127016961_<33> * C_<9808>

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Generalized Fermat number 2 1 Nums