68 945 567 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 =	635000
B2 =	14128750

Status	Date	User	Residue	Shift
Unverified	2016-04-28	curtisc	F3D3EAD51D153A__	35535532

Status		Date	User	Residue	Shift	Type	Base
composite	Verified	2024-03-31	Mirra	AC9C9C33793D9A8B	0	1	3

History

Date	User	Type	Result
2024-03-31	Mxguy	CERT	PRP Certification CERT proof power = 8 Proof certified good
2024-03-31	Mirra	C-PRP	AC9C9C33793D9A8B PRP proof power = 8 PRP: Verified Proof certified good
2016-04-28	curtisc	C-LL	F3D3EAD51D153A__
2016-03-28	Brian Beuning	NF	no factor from 2^74 to 2^75
2013-12-23	HBendtz	NF-PM1	B1=635000, B2=14128750, e=2
2013-12-19	Jerry Hallett	NF	no factor from 2^73 to 2^74
2013-12-04	gcardona	NF	no factor from 2^72 to 2^73
2013-12-04	gcardona	NF	no factor from 2^71 to 2^72
2012-09-26	Bold_Seeker	NF	no factor from 2^70 to 2^71
2012-03-13	Allan Manangan	NF	no factor from 2^69 to 2^70
2010-02-03	Walt Cooney	NF	no factor from 2^68 to 2^69
2010-01-30	-Anonymous-	NF	no factor from 2^67 to 2^68
2010-01-29	Sturle Sunde	NF	no factor from 2^66 to 2^67
2010-01-26	Gnorfe	NF	no factor from 2^65 to 2^66
2010-01-26	Sturle Sunde	NF	no factor from 2^64 to 2^65
2009-02-02	1997rj7	NF	no factor to 2^64