105 806 797 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 2⁷⁷

TF target 2⁷⁶

P-1

B1 =	731000
B2 =	20597000

Status	Date	User	Residue	Shift	Type	Base
Verified	2021-08-15	Ruslan Borisov	4BA7484042CD6760	4582724	1	3

History

Date	User	Type	Result
2021-08-15	Ruslan Borisov	NF	no factor from 2^76 to 2^77
2021-08-15	James Heinrich	CERT	PRP Certification CERT proof power = 9 Proof certified good
2021-08-15	Ruslan Borisov	C-PRP	4BA7484042CD6760 PRP proof power = 9 PRP: Verified Proof certified good
2021-08-01	Ruslan Borisov	NF-PM1	B1=731000, B2=20597000, E=6
2020-09-15	ktony	NF	no factor from 2^75 to 2^76
2020-03-30	LaurV	NF	no factor from 2^74 to 2^75
2020-02-24	srow7	NF	no factor from 2^73 to 2^74
2020-02-24	srow7	NF	no factor from 2^72 to 2^73
2015-01-20	Preben S	NF	no factor from 2^71 to 2^72
2014-05-16	Andreas_Truetsch	NF	no factor from 2^70 to 2^71
2013-09-25	SMoffat	NF	no factor from 2^69 to 2^70
2013-09-22	ITS	NF	no factor from 2^68 to 2^69
2013-09-10	Robish	NF	no factor from 2^67 to 2^68
2013-09-07	ITS	NF	no factor from 2^66 to 2^67
2012-05-13	Torchwood Institute	NF	no factor from 2^65 to 2^66
2010-09-02	Torchwood Institute	NF	no factor from 2^64 to 2^65
2010-04-27	Richard	NF	no factor from 2^63 to 2^64