104 181 821 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite: 1 known prime factor

Factored

Factor	Digits	Bits	Date
217107607092660499441	21	67.6	2014-10-22 10:01:47

History

Date	User	Type	Result
2014-10-22	ITS	F	Factor: 217107607092660499441
2014-10-17	ITS	NF	no factor from 2^66 to 2^67
2012-05-04	tsc	NF	no factor from 2^65 to 2^66
2010-08-26	sasaki3	NF	no factor from 2^64 to 2^65
2010-04-22	Richard	NF	no factor from 2^63 to 2^64

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