102 548 581 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 =	739000
B2 =	22225000

Status	Date	User	Residue	Shift	Type	Base
Verified	2021-02-18	Ben Delo	571EB3DD322625E1	34487951	1	3

History

Date	User	Type	Result
2021-02-18	Greg	CERT	PRP Certification CERT proof power = 8 Proof certified good
2021-02-18	Ben Delo	C-PRP	571EB3DD322625E1 PRP proof power = 8 PRP: Verified Proof certified good
2021-02-16	David Hruska	NF-PM1	B1=739000, B2=22225000, E=6
2020-11-08	TheJudger	NF	no factor from 2^75 to 2^76
2020-11-08	TheJudger	NF	no factor from 2^74 to 2^75
2020-03-30	SRBase	NF	no factor from 2^73 to 2^74
2020-03-11	el grocco	NF	no factor from 2^72 to 2^73
2014-12-19	-Anonymous-	NF	no factor from 2^71 to 2^72
2013-09-21	ITS	NF	no factor from 2^70 to 2^71
2013-09-17	ITS	NF	no factor from 2^69 to 2^70
2013-09-13	ITS	NF	no factor from 2^68 to 2^69
2013-09-10	ITS	NF	no factor from 2^67 to 2^68
2013-09-07	Jazzbass	NF	no factor from 2^66 to 2^67
2012-04-23	sasaki3	NF	no factor from 2^65 to 2^66
2010-08-20	Architects Cubed	NF	no factor from 2^64 to 2^65
2010-05-02	1997rj7	NF	no factor from 2^63 to 2^64