74 917 289 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 =	13100000

Status	Date	User	Residue	Shift
Unverified	2017-03-14	Dmitriy Degtiarev	089B7D67B999BA__	47948418

History

Date	User	Type	Result
2017-03-14	Dmitriy Degtiarev	C-LL	089B7D67B999BA__
2016-04-02	Mark Rose	NF	no factor from 2^61 to 2^64
2015-12-31	TheJudger	NF-PM1	B1=655000, B2=13100000, E=12
2015-12-06	TheJudger	NF	no factor from 2^74 to 2^75
2015-12-06	TheJudger	NF	no factor from 2^73 to 2^74
2015-12-06	TheJudger	NF	no factor from 2^72 to 2^73
2015-09-02	Fredrik	NF	no factor from 2^71 to 2^72
2014-08-09	PascalBieri	NF	no factor from 2^70 to 2^71
2012-10-20	SMoffat	NF	no factor from 2^69 to 2^70
2010-09-30	-Anonymous-	NF	no factor from 2^68 to 2^69
2010-09-27	symallad	NF	no factor from 2^67 to 2^68
2010-09-22	NoWhereMan	NF	no factor from 2^66 to 2^67
2010-09-19	-Anonymous-	NF	no factor from 2^65 to 2^66
2010-07-17	abc	NF	no factor from 2^64 to 2^65