74 560 561 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	2016-04-02	d3zorg	19B7238FD6B729__	44915763

History

Date	User	Type	Result
2016-04-02	d3zorg	C-LL	19B7238FD6B729__
2015-11-08	TheJudger	NF-PM1	B1=655000, B2=13100000, E=12
2015-10-28	endless_mike	NF	no factor from 2^74 to 2^75
2015-10-28	endless_mike	NF	no factor from 2^73 to 2^74
2015-10-22	blip	NF	no factor from 2^72 to 2^73
2015-08-22	Fredrik	NF	no factor from 2^71 to 2^72
2012-12-08	SMoffat	NF	no factor from 2^70 to 2^71
2012-10-19	TDH-DXL	NF	no factor from 2^69 to 2^70
2010-11-25	ComputerraRU	NF	no factor to 2^69
2010-11-12	ComputerraRU	NF	no factor to 2^68
2010-09-11	-Anonymous-	NF	no factor from 2^66 to 2^67
2010-09-08	GrunwalderGIMP	NF	no factor from 2^65 to 2^66
2010-09-07	Anna S.	NF	no factor from 2^64 to 2^65