67 551 053 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

TF

No factors below 2⁷⁵

TF target 2⁷⁴

P-1

B1 =	645000
B2 =	15802500

Status	Date	User	Residue	Shift
Verified	2016-04-19	Shnobel	C28802C93C27B80F	9762541
Verified	2023-06-26	Ryan Propper	C28802C93C27B80F	15511164

History

Date	User	Type	Result
2023-06-26	Ryan Propper	C-LL	C28802C93C27B80F
2016-04-19	Shnobel	C-LL	C28802C93C27B80F
2016-01-08	Judge Hale	NF	no factor from 2^74 to 2^75
2014-05-28	owftheevil	NF-PM1	B1=645000, B2=15802500, e=6
2014-05-25	Craig Meyers	NF	no factor from 2^73 to 2^74
2014-05-10	Bdot	NF	no factor from 2^72 to 2^73
2014-05-09	chalsall	NF	no factor from 2^71 to 2^72
2013-04-19	Smok_bmv	NF	no factor from 2^70 to 2^71
2012-05-31	rick	NF	no factor from 2^69 to 2^70
2010-06-02	krnb1004	NF	no factor from 2^68 to 2^69
2010-05-26	-Anonymous-	NF	no factor from 2^67 to 2^68
2010-05-19	-Anonymous-	NF	no factor from 2^66 to 2^67
2010-01-12	-Anonymous-	NF	no factor from 2^65 to 2^66
2010-01-06	ITS	NF	no factor from 2^64 to 2^65
2008-12-25	Wojciech Florek	NF	no factor from 2^63 to 2^64