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Fermat number 2^2¹⁹+1

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Current data

`a` `b` `n` :	2 1 19
FactorDB :	ID: 1000000000002000019 / Formula: 2^2¹⁹+1
Digits :	157827
State :	CF

Remarks :

Proven composite in 2009 by different anonymous provers.

Factors

Proth 33629•2²¹+1 (GF Divisor), found 1962-11-16 by Hans Riesel
Proth 308385•2²¹+1 (GF Divisor), found 1963 by Claude P. Wrathall
[[Proth prime 2 Long number:N1100000000068432881-NS(Long number:N1100000000068432881-DI)|Proth Long number:N1100000000068432881-NS(Long number:N1100000000068432881-DI)•2²²+1]] ([[GF Divisor Long number:N1100000000068432881-NS(Long number:N1100000000068432881-DI) 22|GF Divisor]])Long number:N1100000000068432881-NS(Long number:N1100000000068432881-DI)
Composite C_<157770>

Factorization

70525124609_<11> * 646730219521_<12> * Long number:N1100000000068432881-NS(Long number:N1100000000068432881-DI) * C_<157770>

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Generalized Fermat number 2 1 Nums