75 851 471 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 2⁷⁷

TF target 2⁷⁴

P-1

B1 =	995000
B2 =	21641250

Status	Date	User	Residue	Shift
Unverified	2016-04-11	basey	2DED7B52D83F4D__	4520586

History

Date	User	Type	Result
2020-10-29	-Anonymous-	NF	no factor from 2^76 to 2^77
2020-10-16	-Anonymous-	NF	no factor from 2^75 to 2^76
2016-04-11	basey	C-LL	2DED7B52D83F4D__
2016-02-29	Jerry Hallett	NF-PM1	B1=995000, B2=21641250, E=12
2016-02-23	dh1	NF	no factor from 2^74 to 2^75
2016-02-23	dh1	NF	no factor from 2^73 to 2^74
2016-02-23	dh1	NF	no factor from 2^72 to 2^73
2013-01-02	-Anonymous-	NF	no factor to 2^72
2010-12-28	eon_blue_apocalypse	NF	no factor from 2^69 to 2^70
2010-12-25	delta_t	NF	no factor from 2^68 to 2^69
2010-12-23	trif	NF	no factor from 2^67 to 2^68
2010-11-26	trif	NF	no factor from 2^66 to 2^67
2010-10-31	trif	NF	no factor from 2^65 to 2^66
2010-10-11	garo	NF	no factor from 2^64 to 2^65
2009-06-01	Architects Cubed	NF	no factor from 2^63 to 2^64