115 847 989 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 =	690000
B2 =	84449400

Status	Date	User	Residue	Shift	Type	Base
Verified	2023-10-01	ky0uraku	52A49EEE70BF57FF	68611491	1	3

History

Date	User	Type	Result
2023-10-01	curtisc	CERT	PRP Certification CERT proof power = 10 Proof certified good
2023-10-01	ky0uraku	C-PRP	52A49EEE70BF57FF PRP proof power = 10 PRP: Verified Proof certified good
2022-07-07	JacobZ	NF-PM1	B1=690000, B2=84449400
2021-08-19	jwnutter	NF	no factor from 2^76 to 2^77
2021-06-06	TheJudger	NF	no factor from 2^75 to 2^76
2020-12-14	hkt	NF	no factor from 2^74 to 2^75
2020-10-12	laxeye	NF	no factor from 2^73 to 2^74
2020-04-25	SRBase	NF	no factor from 2^72 to 2^73
2015-04-23	wahbap	NF	no factor from 2^71 to 2^72
2015-04-21	workerthread	NF	no factor from 2^70 to 2^71
2015-04-12	workerthread	NF	no factor from 2^69 to 2^70
2015-03-28	workerthread	NF	no factor from 2^68 to 2^69
2015-03-13	bunddog	NF	no factor from 2^67 to 2^68
2014-11-30	tsc	NF	no factor from 2^66 to 2^67
2012-06-23	Andrew B	NF	no factor from 2^65 to 2^66
2010-12-10	Richard	NF	no factor from 2^64 to 2^65
2010-05-09	OS1	NF	no factor from 2^63 to 2^64