78 504 731 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 2⁷⁵

P-1

B1 =	660000
B2 =	13200000

Status	Date	User	Residue	Shift
Bad	2017-04-28	basey	8BC6FCBFECD67D60	27830693
Verified	2023-08-22	MadPoo	3FF421016C6D91DA	49643596
Verified	2023-09-15	Torchwood Institute	3FF421016C6D91DA	26440351

History

Date	User	Type	Result
2023-09-15	Torchwood Institute	C-LL	3FF421016C6D91DA
2023-08-22	MadPoo	C-LL	3FF421016C6D91DA
2017-04-28	basey	C-LL	8BC6FCBFECD67D60
2016-07-03	TheJudger	NF-PM1	B1=660000, B2=13200000, E=12
2016-06-07	gcardona	NF	no factor from 2^74 to 2^75
2016-06-02	RichD0	NF	no factor from 2^73 to 2^74
2016-05-27	Bdot	NF	no factor from 2^72 to 2^73
2015-07-20	RichD0	NF	no factor from 2^71 to 2^72
2013-01-18	Bold_Seeker	NF	no factor from 2^70 to 2^71
2011-01-26	tmorrow	NF	no factor from 2^69 to 2^70
2011-01-21	-Anonymous-	NF	no factor from 2^68 to 2^69
2011-01-08	TeraTism	NF	no factor from 2^67 to 2^68
2011-01-06	-Anonymous-	NF	no factor from 2^66 to 2^67
2010-11-02	Fred Cirera	NF	no factor from 2^65 to 2^66
2010-11-01	riccardo uberti	NF	no factor from 2^64 to 2^65