85 971 293 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 2⁷⁶

TF target 2⁷⁵

P-1

B1 =	715000
B2 =	13585000

Status	Date	User	Residue	Shift	Type	Base
Verified	2019-07-20	ky0uraku	B67B83A01F05ED2A	34988996	1	3
Verified	2022-04-27	ATH	B67B83A01F05ED2A	0	1	3

History

Date	User	Type	Result
2022-04-27	ehustvedt	CERT	PRP Certification CERT proof power = 8 Proof certified good
2022-04-27	ATH	C-PRP	B67B83A01F05ED2A PRP proof power = 8 PRP: Verified Proof certified good
2019-07-20	ky0uraku	C-PRP	B67B83A01F05ED2A PRP: Verified PRP without proof (not generated)
2018-02-23	La Güira	NF-PM1	B1=715000, B2=13585000
2017-11-15	Strolling Jellyfish	NF	no factor from 2^75 to 2^76
2017-10-24	Brian Beuning	NF	no factor from 2^74 to 2^75
2017-05-06	RichD0	NF	no factor from 2^73 to 2^74
2017-03-19	Judge Hale	NF	no factor from 2^72 to 2^73
2017-03-19	Judge Hale	NF	no factor from 2^71 to 2^72
2014-11-29	PascalBieri	NF	no factor from 2^70 to 2^71
2013-07-25	Le Comte	NF	no factor from 2^69 to 2^70
2013-07-25	Le Comte	NF	no factor from 2^68 to 2^69
2013-06-28	ITS	NF	no factor from 2^67 to 2^68
2013-06-20	ITS	NF	no factor from 2^66 to 2^67
2013-03-08	Shun-1	NF	no factor from 2^65 to 2^66
2010-12-25	Architects Cubed	NF	no factor from 2^64 to 2^65