71 178 689 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 =	655000
B2 =	13755000

Status	Date	User	Residue	Shift
Unverified	2017-02-11	Shnobel	9531909F3FA255__	14339325

History

Date	User	Type	Result
2017-02-11	Shnobel	C-LL	9531909F3FA255__
2016-07-23	-Anonymous-	NF	no factor from 2^74 to 2^75
2015-01-25	TheJudger	NF-PM1	B1=655000, B2=13755000, E=12
2014-10-25	Bill Staffen	NF	no factor from 2^71 to 2^74
2014-04-23	HBendtz	NF	no factor from 2^70 to 2^71
2013-04-10	SMoffat	NF	no factor from 2^69 to 2^70
2010-05-14	-Anonymous-	NF	no factor from 2^68 to 2^69
2010-04-19	tmorrow	NF	no factor from 2^67 to 2^68
2010-04-17	S00030	NF	no factor from 2^66 to 2^67
2010-03-17	ANONYMOUS	NF	no factor from 2^65 to 2^66
2010-03-13	symallad	NF	no factor from 2^64 to 2^65
2008-10-21	Wojciech Florek	NF	no factor to 2^64