105 551 689 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 =	900000
B2 =	33000000

Status	Date	User	Residue	Shift	Type	Base
Verified	2021-08-19	Ben Delo	C8ABD123C66A9F2E	64257576	1	3

History

Date	User	Type	Result
2021-08-19	Elion	CERT	PRP Certification CERT proof power = 8 Proof certified good
2021-08-19	Ben Delo	C-PRP	C8ABD123C66A9F2E PRP proof power = 8 PRP: Verified Proof certified good
2021-08-17	Kriesel	NF-PM1	B1=900000, B2=33000000
2021-03-28	TheJudger	NF	no factor from 2^75 to 2^76
2021-03-28	TheJudger	NF	no factor from 2^74 to 2^75
2020-04-02	SRBase	NF	no factor from 2^73 to 2^74
2019-12-30	mnd9	NF	no factor from 2^72 to 2^73
2015-01-16	Andreas_Truetsch	NF	no factor from 2^71 to 2^72
2014-10-26	Baltin	NF	no factor from 2^70 to 2^71
2014-10-20	Red Raven	NF	no factor from 2^69 to 2^70
2014-10-17	AK76	NF	no factor from 2^68 to 2^69
2014-06-20	Travis Glenn Russo	NF	no factor from 2^67 to 2^68
2014-06-17	Travis Glenn Russo	NF	no factor from 2^66 to 2^67
2012-05-16	Richard	NF	no factor from 2^65 to 2^66
2010-09-01	carlos56	NF	no factor from 2^64 to 2^65
2010-04-20	oodaira	NF	no factor from 2^63 to 2^64