110 385 391 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 2⁷⁷

TF target 2⁷⁶

P-1

B1 =	617000
B2 =	7228000

Status	Date	User	Residue	Shift	Type	Base
Verified	2021-04-25	David Kirkby	B0DDC4560EC14FF2	25106546	1	3

History

Date	User	Type	Result
2021-04-25	curtisc	CERT	PRP Certification CERT proof power = 8 Proof certified good
2021-04-25	David Kirkby	C-PRP	B0DDC4560EC14FF2 PRP proof power = 8 PRP: Verified Proof certified good
2021-03-22	David Kirkby	NF-PM1	B1=617000, B2=7228000
2020-12-20	David Hruska	NF	no factor from 2^76 to 2^77
2020-06-30	RobertKazan	NF	no factor from 2^75 to 2^76
2020-06-30	RobertKazan	NF	no factor from 2^74 to 2^75
2020-06-30	RobertKazan	NF	no factor from 2^73 to 2^74
2015-10-08	ANONYMOUS	NF	no factor from 2^72 to 2^73
2015-10-08	ANONYMOUS	NF	no factor from 2^71 to 2^72
2015-10-08	ANONYMOUS	NF	no factor from 2^70 to 2^71
2015-10-05	La Güira	NF	no factor from 2^69 to 2^70
2015-10-05	La Güira	NF	no factor from 2^68 to 2^69
2015-10-05	La Güira	NF	no factor from 2^67 to 2^68
2014-12-03	g0b	NF	no factor from 2^66 to 2^67
2012-05-26	Joe Bauer	NF	no factor from 2^65 to 2^66
2010-09-18	sasaki3	NF	no factor from 2^64 to 2^65
2010-05-04	EPF	NF	no factor from 2^63 to 2^64