69 263 231 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 =	13072500

Status	Date	User	Residue	Shift
Verified	2016-08-05	basey	478B9E21C2CEBE7F	37795954
Verified	2023-09-22	Ryan Propper	478B9E21C2CEBE7F	47218285

History

Date	User	Type	Result
2023-09-22	Ryan Propper	C-LL	478B9E21C2CEBE7F
2016-08-05	basey	C-LL	478B9E21C2CEBE7F
2016-04-07	owftheevil	NF	no factor from 2^74 to 2^75
2016-03-30	Mark Rose	NF	no factor from 2^64 to 2^65
2016-03-29	Mark Rose	NF	no factor from 2^63 to 2^64
2013-12-07	Nesowa	NF-PM1	B1=630000, B2=13072500, E=12
2013-12-04	Nesowa	NF	no factor from 2^73 to 2^74
2013-12-04	Nesowa	NF	no factor from 2^72 to 2^73
2013-12-04	Nesowa	NF	no factor from 2^71 to 2^72
2012-10-01	[DPC] hansR	NF	no factor from 2^70 to 2^71
2012-04-29	Nick	NF	no factor from 2^69 to 2^70
2010-04-14	SiCPU87	NF	no factor from 2^68 to 2^69
2010-04-11	SiCPU87	NF	no factor from 2^67 to 2^68
2010-02-08	Sturle Sunde	NF	no factor from 2^66 to 2^67
2008-06-12	Sturle Sunde	NF	no factor from 2^65 to 2^66