73 867 361 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 =	630000
B2 =	11970000

Status	Date	User	Residue	Shift
Unverified	2017-06-19	Shnobel	1394280B9FE08C__	56317726

History

Date	User	Type	Result
2017-06-19	Shnobel	C-LL	1394280B9FE08C__
2015-10-02	Bdot	NF-PM1	B1=630000, B2=11970000
2015-08-31	AirSquirrels	NF	no factor from 2^74 to 2^75
2014-12-16	kdgehman	NF	no factor from 2^73 to 2^74
2014-12-16	kdgehman	NF	no factor from 2^72 to 2^73
2014-12-16	kdgehman	NF	no factor from 2^71 to 2^72
2013-08-05	-Anonymous-	NF	no factor from 2^70 to 2^71
2012-10-14	oodaira	NF	no factor from 2^69 to 2^70
2011-02-27	searchingforprimes	NF	no factor from 2^68 to 2^69
2011-02-18	searchingforprimes	NF	no factor from 2^67 to 2^68
2010-12-11	trif	NF	no factor from 2^66 to 2^67
2010-10-21	S00030	NF	no factor from 2^65 to 2^66
2010-08-18	Wolfgang Steger	NF	no factor from 2^64 to 2^65
2008-07-16	George Woltman	NF	no factor to 2^64