74 642 681 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	2016-06-14	d3zorg	72FF01D5809325__	27725469

History

Date	User	Type	Result
2016-06-14	d3zorg	C-LL	72FF01D5809325__
2016-04-01	Mark Rose	NF	no factor from 2^57 to 2^64
2015-11-22	TheJudger	NF-PM1	B1=655000, B2=13100000, E=12
2015-11-15	TheJudger	NF	no factor from 2^74 to 2^75
2015-11-15	TheJudger	NF	no factor from 2^73 to 2^74
2015-11-08	Matthias Wurtinger	NF	no factor from 2^72 to 2^73
2015-08-22	Judge Hale	NF	no factor from 2^71 to 2^72
2012-11-30	SWL551	NF	no factor from 2^70 to 2^71
2012-10-19	SMoffat	NF	no factor from 2^69 to 2^70
2011-02-08	Sid & Andy	NF	no factor from 2^68 to 2^69
2011-01-20	S00030	NF	no factor from 2^67 to 2^68
2011-01-18	S00030	NF	no factor from 2^66 to 2^67
2011-01-17	-Anonymous-	NF	no factor from 2^65 to 2^66
2010-11-11	DinKeyToy	NF	no factor from 2^64 to 2^65