61 036 883 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 2⁷³

TF target 2⁷⁴

Factored

Factor	Digits	Bits	Date
2138798765620909759	19	60.9	2013-04-15 16:14:12

P-1 factors

Date	Factors	B1	B2
2013-04-15	2138798765620909759	570000	11115000

History

Date	User	Type	Result
2022-03-29	LordJulius	NF	no factor TF: 62-63
2013-04-15	ixfd64	F	Factor: 2138798765620909759
2013-01-19	Dubslow	NF	no factor TF: 70-73
2011-11-07	-anonymous-	NF	no factor TF: 69-70
2009-07-12	Gymnasium_Raubling	NF	no factor TF: 68-69
2009-03-13	TRUSTNO1	NF	no factor TF: 67-68
2009-03-09	TRUSTNO1	NF	no factor TF: 66-67
2009-03-04	BIGMATH	NF	no factor TF: 65-66
2009-03-03	BIGMATH	NF	no factor TF: 64-65
2009-03-02	-anonymous-	NF	no factor TF: 63-64
2004-04-09	-anonymous-	NF	no factor TF: 1-62
2003-10-08	Gordon Spence	NF	no factor TF: 1-60
2003-06-06	Gordon Spence	NF	no factor TF: 1-59
2002-04-20	Alex Kruppa	NF	no factor TF: 1-58