57 656 957 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 2⁷³

Factored

Factor	Digits	Bits	Date
31753520095302032607020663	26	84.7	2012-09-13 22:35:50

P-1 factors

Date	Factors	B1	B2
2012-09-13	31753520095302032607020663	530000	0

History

Date	User	Type	Result
2022-06-28	LordJulius	NF	no factor TF: 60-63
2012-09-13	Jwb52z	F-PM1	Factor: 31753520095302032607020663
2012-08-31	Jerry Hallett	NF	no factor TF: 72-73
2011-11-29	S34960v5	NF	no factor TF: 71-72
2011-10-21	megavink	NF	no factor TF: 70-71
2011-06-22	Charles Spalton	NF	no factor TF: 69-70
2011-05-08	-anonymous-	NF	no factor TF: 68-69
2009-06-01	Chang Chia-Tche	NF	no factor TF: 67-68
2008-10-19	Sturle Sunde	NF	no factor TF: 66-67
2008-10-18	Sturle Sunde	NF	no factor TF: 65-66
2008-10-17	Sturle Sunde	NF	no factor TF: 64-65
2008-10-15	Sturle Sunde	NF	no factor TF: 63-64
2003-09-21	Team Prime Rib	NF	no factor TF: 1-60
2002-12-02	-anonymous-	NF	no factor TF: 1-58
2001-09-30	-anonymous-	NF	no factor TF: 1-57
2000-06-29	-anonymous-	NF	no factor TF: 1-56
2000-06-28	-anonymous-	NF	no factor TF: 1-56
2000-03-08	-anonymous-	NF	no factor TF: 1-54
1999-12-23	-anonymous-	NF	no factor TF: 1-53