72 780 931 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 =	620000
B2 =	11625000

Status	Date	User	Residue	Shift
Verified	2016-02-19	Shnobel	36940BAECF5906DD	1145923
Verified	2024-04-05	ondrejch	36940BAECF5906DD	59075650

History

Date	User	Type	Result
2024-04-05	ondrejch	C-LL	36940BAECF5906DD
2016-02-19	Shnobel	C-LL	36940BAECF5906DD
2015-09-18	electron1897	NF-PM1	B1=620000, B2=11625000
2015-09-12	AirSquirrels	NF	no factor from 2^74 to 2^75
2015-09-12	AirSquirrels	NF	no factor from 2^73 to 2^74
2015-09-12	AirSquirrels	NF	no factor from 2^72 to 2^73
2015-03-16	srow7	NF	no factor from 2^71 to 2^72
2013-07-07	scotttyb	NF	no factor from 2^70 to 2^71
2013-05-26	-Anonymous-	NF	no factor from 2^69 to 2^70
2010-12-04	-Anonymous-	NF	no factor from 2^68 to 2^69
2010-12-04	-Anonymous-	NF	no factor from 2^67 to 2^68
2010-10-11	-Anonymous-	NF	no factor from 2^66 to 2^67
2010-10-06	kksamy	NF	no factor from 2^65 to 2^66
2010-05-26	mgdavilaINE	NF	no factor from 2^64 to 2^65
2008-09-22	-Anonymous-	NF	no factor to 2^64