73 257 757 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 =	16242500

Status	Date	User	Residue	Shift
Unverified	2017-06-09	basey	EF6345CB7BCA4E__	42540124

Assigned

Assigned	User	Work Type	Stage	% Done	Updated	Expired
2024-04-16	Heiner	LL double-check	LL	0.06 %	2024-04-16

History

Date	User	Type	Result
2017-06-09	basey	C-LL	EF6345CB7BCA4E__
2016-05-23	Kevin Jaget	NF	no factor from 2^74 to 2^75
2015-11-22	Judge Hale	NF	no factor from 2^73 to 2^74
2015-09-13	TheJudger	NF-PM1	B1=730000, B2=16242500, E=12
2015-09-05	RichD0	NF	no factor from 2^72 to 2^73
2015-04-02	srow7	NF	no factor from 2^71 to 2^72
2012-11-23	M_P_G	NF	no factor from 2^70 to 2^71
2012-10-17	Joop Dekker	NF	no factor from 2^69 to 2^70
2010-08-04	Bold_Seeker	NF	no factor from 2^68 to 2^69
2010-08-03	Bold_Seeker	NF	no factor from 2^67 to 2^68
2010-08-02	Bold_Seeker	NF	no factor from 2^66 to 2^67
2010-08-01	Bold_Seeker	NF	no factor from 2^65 to 2^66
2010-07-31	Bold_Seeker	NF	no factor from 2^64 to 2^65
2008-06-28	George Woltman	NF	no factor to 2^64