73 942 711 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Composite: proven not-prime with PRP test

TF

No factors below 2⁷⁵

TF target 2⁷⁴

P-1

B1 =	1750000
B2 =	75000000

Status	Date	User	Residue	Shift
Unverified	2017-07-06	Evgeniy Zavialov	D3CE28D71C3B8F__	20512729

Status	Date	User	Residue	Shift	Type	Base
Verified	2024-11-07	Luke Durant	2BA98C2E6FB96691	0	1	3

History

Date	User	Type	Result
2024-11-08	kerni3	CERT	PRP Certification CERT proof power = 9 Proof certified good
2024-11-07	Luke Durant	C-PRP	2BA98C2E6FB96691 PRP proof power = 9 PRP: Verified Proof certified good
2017-07-06	Evgeniy Zavialov	C-LL	D3CE28D71C3B8F__
2016-06-10	dh1	NF	no factor from 2^74 to 2^75
2015-12-12	Judge Hale	NF	no factor from 2^73 to 2^74
2015-10-31	Craig Meyers	NF-PM1	B1=1750000, B2=75000000, e=6
2015-10-05	Bdot	NF	no factor from 2^72 to 2^73
2015-05-15	srow7	NF	no factor from 2^71 to 2^72
2013-05-07	-Anonymous-	NF	no factor from 2^70 to 2^71
2011-04-27	James Hintz	NF	no factor to 2^70