71 812 841 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 =	705000
B2 =	15510000

Status	Date	User	Residue	Shift
Unverified	2017-04-09	basey	A131AAE0E06326__	4436968

History

Date	User	Type	Result
2020-05-27	-Anonymous-	NF	no factor from 2^75 to 2^76
2017-04-09	basey	C-LL	A131AAE0E06326__
2016-08-23	-Anonymous-	NF	no factor from 2^74 to 2^75
2015-10-15	Judge Hale	NF	no factor from 2^73 to 2^74
2015-05-17	TheJudger	NF-PM1	B1=705000, B2=15510000, E=12
2015-04-07	el grocco	NF	no factor from 2^72 to 2^73
2015-02-19	srow7	NF	no factor from 2^71 to 2^72
2013-11-26	PascalBieri	NF	no factor from 2^70 to 2^71
2012-05-23	Johan Viljoen	NF	no factor from 2^69 to 2^70
2010-05-21	SAHS Physics Club	NF	no factor from 2^68 to 2^69
2010-05-17	ANONYMOUS	NF	no factor from 2^67 to 2^68
2010-05-11	David Hruska	NF	no factor from 2^66 to 2^67
2010-05-08	ddboy3	NF	no factor from 2^65 to 2^66
2010-05-04	john_s	NF	no factor from 2^64 to 2^65
2008-10-14	-Anonymous-	NF	no factor to 2^64