111 970 861 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Tested as composite (unverified, reliable): unconfirmed PRP test says not-prime

TF

No factors below 2⁷⁶

TF target 2⁷⁶

P-1

B1 =	885000
B2 =	452816760

Status	Date	User	Residue	Shift	Type	Base
Unverified (Reliable)	2021-02-10	Peter Mørk Andreasen	829B1F621097E8__	79332681	1	3

History

Date	User	Type	Result
2024-10-09	mewturn	NF-PM1	B1=885000, B2=452816760
2021-02-10	Peter Mørk Andreasen	C-PRP	829B1F621097E8__ PRP: Unverified (Reliable) PRP without proof (not generated)
2020-09-25	Peter Mørk Andreasen	NF-PM1	B1=1160000
2020-09-21	ktony	NF	no factor from 2^75 to 2^76
2020-09-21	ktony	NF	no factor from 2^74 to 2^75
2020-05-31	GROBERTS	NF	no factor from 2^73 to 2^74
2014-12-10	Fredrik	NF	no factor from 2^72 to 2^73
2014-12-10	Fredrik	NF	no factor from 2^71 to 2^72
2014-12-10	Fredrik	NF	no factor from 2^70 to 2^71
2014-12-10	Fredrik	NF	no factor from 2^69 to 2^70
2014-11-09	RichD0	NF	no factor from 2^68 to 2^69
2013-11-16	SMoffat	NF	no factor from 2^67 to 2^68
2013-10-12	Cow_tipping	NF	no factor from 2^66 to 2^67
2012-05-31	omiXorp	NF	no factor from 2^65 to 2^66
2010-09-25	Richard	NF	no factor from 2^64 to 2^65
2010-05-06	Richard	NF	no factor from 2^63 to 2^64