102 864 959 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 =	855000
B2 =	17955000

Status	Date	User	Residue	Shift	Type	Base
Verified	2021-03-04	Ben Delo	F8C54C9082A2B61F	60655291	1	3

History

Date	User	Type	Result
2021-03-05	Jaron Wakley	CERT	PRP Certification CERT proof power = 8 Proof certified good
2021-03-04	Ben Delo	C-PRP	F8C54C9082A2B61F PRP proof power = 8 PRP: Verified Proof certified good
2021-03-02	Ben Delo	NF-PM1	B1=855000, B2=17955000, E=12
2020-10-27	RichD0	NF	no factor from 2^75 to 2^76
2020-10-24	ktony	NF	no factor from 2^74 to 2^75
2020-02-01	Hans Loeblich	NF	no factor from 2^73 to 2^74
2020-01-30	Architects Cubed	NF	no factor from 2^72 to 2^73
2014-12-13	Simon Harrison	NF	no factor from 2^71 to 2^72
2014-10-20	PascalBieri	NF	no factor from 2^70 to 2^71
2014-10-20	symallad	NF	no factor from 2^70 to 2^71
2014-06-16	Arne B	NF	no factor from 2^69 to 2^70
2013-12-15	PascalBieri	NF	no factor from 2^68 to 2^69
2013-09-18	Amoth	NF	no factor from 2^67 to 2^68
2013-09-09	JoDu	NF	no factor from 2^66 to 2^67
2012-04-25	Mr-Plonk	NF	no factor from 2^65 to 2^66
2010-08-20	Torchwood Institute	NF	no factor from 2^64 to 2^65
2010-04-19	1997rj7	NF	no factor from 2^63 to 2^64