71 610 173 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 2⁷⁶

TF target 2⁷⁴

P-1

B1 =	4620000
B2 =	153800010

Status	Date	User	Residue	Shift
Unverified	2017-03-31	basey	40962B4810F7C5__	70269677

Status	Date	User	Residue	Shift	Type	Base
Verified	2024-03-18	yuriy5-1	236CD4D6719B6723	0	1	3

History

Date	User	Type	Result
2024-03-18	voidf	CERT	PRP Certification CERT proof power = 8 Proof certified good
2024-03-18	yuriy5-1	C-PRP	236CD4D6719B6723 PRP proof power = 8 PRP: Verified Proof certified good
2024-01-24	yuriy5-1	NF-PM1	B1=4620000, B2=153800010
2024-01-23	yuriy5-1	NF	no factor from 2^75 to 2^76
2017-03-31	basey	C-LL	40962B4810F7C5__
2016-08-05	-Anonymous-	NF	no factor from 2^74 to 2^75
2015-02-06	Nesowa	NF-PM1	B1=665000, B2=13965000, E=12
2015-02-01	Jerry Hallett	NF	no factor from 2^73 to 2^74
2015-02-01	Jerry Hallett	NF	no factor from 2^72 to 2^73
2015-02-01	Jerry Hallett	NF	no factor from 2^71 to 2^72
2013-08-06	processinfo	NF	no factor from 2^70 to 2^71
2012-11-15	SWL551	NF	no factor from 2^69 to 2^70
2010-07-15	Tony Veijalainen	NF	no factor from 2^68 to 2^69
2010-07-07	TeraTism	NF	no factor from 2^67 to 2^68
2010-07-06	Spielauer	NF	no factor from 2^66 to 2^67
2010-07-01	Millsie	NF	no factor from 2^65 to 2^66
2010-06-25	Millsie	NF	no factor from 2^64 to 2^65
2008-10-14	-Anonymous-	NF	no factor to 2^64