617 198 287 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Details

Composite: 1 known prime factor

Trial Factored to 2⁶⁸

TF target 2⁸³

Factored

Factor	Digits	Bits	Date
38455340394911527	17	55.1	2014-05-30 18:33:55

History

Date	User	Type	Result
2014-05-30	TJAOI	F	Factor: 38455340394911527
2014-03-07	sasaki	NF	no factor TF: 65-67
2012-01-14	Andrew B	NF	no factor TF: 64-65
2010-08-02	Architects Cubed	NF	no factor TF: 63-64

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