107 131 891 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 2⁷⁸

TF target 2⁷⁶

P-1

B1 =	709000
B2 =	19156000

Status	Date	User	Residue	Shift	Type	Base
Verified	2021-10-24	Ruslan Borisov	820913B3EC72D269	51222371	1	3

History

Date	User	Type	Result
2021-10-24	C.D.B.	CERT	PRP Certification CERT proof power = 10 Proof certified good
2021-10-24	Ruslan Borisov	NF	no factor from 2^77 to 2^78
2021-10-24	Ruslan Borisov	C-PRP	820913B3EC72D269 PRP proof power = 10 PRP: Verified Proof certified good
2021-10-02	Ruslan Borisov	NF-PM1	B1=709000, B2=19156000, E=6
2021-05-19	RichD0	NF	no factor from 2^76 to 2^77
2021-04-16	DRobinsonPE	NF	no factor from 2^75 to 2^76
2021-04-16	DRobinsonPE	NF	no factor from 2^74 to 2^75
2020-03-31	srow7	NF	no factor from 2^73 to 2^74
2020-03-31	srow7	NF	no factor from 2^72 to 2^73
2015-05-01	Judge Hale	NF	no factor from 2^71 to 2^72
2015-05-01	Judge Hale	NF	no factor from 2^70 to 2^71
2015-05-01	Judge Hale	NF	no factor from 2^69 to 2^70
2015-05-01	Judge Hale	NF	no factor from 2^68 to 2^69
2015-05-01	Judge Hale	NF	no factor from 2^66 to 2^68
2012-05-17	sasaki3	NF	no factor from 2^65 to 2^66
2010-09-07	LordJulius	NF	no factor from 2^64 to 2^65
2010-04-24	sasaki3	NF	no factor from 2^63 to 2^64