33 601 753 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite: proven not-prime with Lucas-Lehmer test

No factors below 2⁷⁴

TF target 2⁷¹

P-1

B1 =	380000
B2 =	7600000

Status	Date	User	Residue	Shift	Software
Verified	2003-12-02	Schnider	7577DF403ECCC578	14787917	Windows,Prime95,v23,(aka WZ1)
Verified	2014-12-08	HBendtz	7577DF403ECCC578	30372894	Windows 64-bit,Prime95,v28.5,build 2

History

Date	User	Type	Result
2024-05-21	James Heinrich	NF	no factor TF: 68-69
2020-04-19	-anonymous-	NF	no factor TF: 73-74
2019-12-26	-anonymous-	NF	no factor TF: 72-73
2019-12-26	-anonymous-	NF	no factor TF: 71-72
2014-12-08	HBendtz	C-LL	7577DF403ECCC578
2014-04-08	axn	NF	no factor TF: 70-71
2013-01-02	marssystems	NF	no factor TF: 69-70
2012-12-31	Carsten Kossendey	NF	no factor TF: 68-69
2003-12-02	-anonymous-	NF-PM1	B1=380000, B2=7600000
2003-12-02	-anonymous-	NF	no factor TF: 1-68
2003-12-02	-anonymous-	C-LL	7577DF403ECCC578
2003-06-06	markr	NF	no factor TF: 1-64