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Fermat number 2^2³+1

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Current data

`a` `b` `n` :	2 1 3
FactorDB :	ID: 257 / Formula: 2^2³+1
Digits :	3
State :	ERR

Factors

Proth 2⁸+1 (GF Divisor), found 1981 by Cunningham project

Factorization

257

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Generalized Fermat number 2 1 Nums