102 065 879 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Composite: proven not-prime with PRP test

TF

No factors below 2⁷⁶

TF target 2⁷⁶

P-1

B1 =	850000
B2 =	17850000

Status	Date	User	Residue	Shift	Type	Base
Verified	2021-01-07	Ben Delo	0005B7114120BB3D	1693394	1	3

History

Date	User	Type	Result
2021-01-07	Ben Delo	CERT	PRP Certification CERT proof power = 8 Proof certified good
2021-01-07	Ben Delo	C-PRP	0005B7114120BB3D PRP proof power = 8 PRP: Verified Proof certified good
2021-01-06	Ben Delo	NF-PM1	B1=850000, B2=17850000, E=12
2020-04-02	Kriesel	NF	no factor from 2^75 to 2^76
2020-04-02	Kriesel	NF	no factor from 2^74 to 2^75
2020-04-02	Kriesel	NF	no factor from 2^73 to 2^74
2020-04-02	Kriesel	NF	no factor from 2^72 to 2^73
2017-10-16	el grocco	NF	no factor from 2^71 to 2^72
2013-09-23	symallad	NF	no factor from 2^70 to 2^71
2013-09-19	Eratosthenes	NF	no factor from 2^69 to 2^70
2013-09-15	processinfo	NF	no factor from 2^68 to 2^69
2013-09-09	PascalBieri	NF	no factor from 2^67 to 2^68
2013-09-07	processinfo	NF	no factor from 2^66 to 2^67
2012-04-20	Corbyguy	NF	no factor from 2^65 to 2^66
2010-08-16	Mr-Plonk	NF	no factor from 2^64 to 2^65
2010-04-26	1997rj7	NF	no factor from 2^63 to 2^64