73 751 809 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 =	730000
B2 =	16425000

Status	Date	User	Residue	Shift
Verified	2016-07-12	primeCHN	75FFC0E4290387C7	38826315
Verified	2023-10-25	Roman O. Vorobiev	75FFC0E4290387C7	70092067

History

Date	User	Type	Result
2023-10-25	Roman O. Vorobiev	C-LL	75FFC0E4290387C7
2016-07-12	primeCHN	C-LL	75FFC0E4290387C7
2016-06-01	dh1	NF	no factor from 2^74 to 2^75
2016-04-01	Mark Rose	NF	no factor from 2^57 to 2^64
2015-12-11	Judge Hale	NF	no factor from 2^73 to 2^74
2015-10-19	TheJudger	NF-PM1	B1=730000, B2=16425000, E=12
2015-10-05	RichD0	NF	no factor from 2^72 to 2^73
2015-04-30	srow7	NF	no factor from 2^71 to 2^72
2013-05-06	PascalBieri	NF	no factor from 2^70 to 2^71
2012-10-30	James	NF	no factor from 2^69 to 2^70
2010-06-21	Charles A. Morris	NF	no factor from 2^68 to 2^69
2010-06-19	Charles A. Morris	NF	no factor from 2^67 to 2^68
2010-06-16	majorjameshannah	NF	no factor from 2^66 to 2^67
2010-06-14	oodaira	NF	no factor from 2^65 to 2^66
2010-06-13	David Hruska	NF	no factor from 2^64 to 2^65