116 285 161 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 =	1128000
B2 =	1128000

Status	Date	User	Residue	Shift	Type	Base
Verified	2022-02-17	Cherkashin	9A98D4A299914A3C	11617279	1	3

History

Date	User	Type	Result
2022-02-17	Poao	CERT	PRP Certification CERT proof power = 10 Proof certified good
2022-02-17	Cherkashin	C-PRP	9A98D4A299914A3C PRP proof power = 10 PRP: Verified Proof certified good
2022-01-30	Cherkashin	NF-PM1	B1=1128000
2021-10-07	jwnutter	NF	no factor from 2^76 to 2^77
2021-05-22	ViliamF	NF	no factor from 2^68 to 2^69
2021-05-17	Kriesel	NF	no factor from 2^75 to 2^76
2020-12-31	hkt	NF	no factor from 2^74 to 2^75
2020-12-29	storm5510	NF	no factor from 2^73 to 2^74
2020-04-25	SRBase	NF	no factor from 2^72 to 2^73
2015-07-14	linament	NF	no factor from 2^71 to 2^72
2015-05-05	Smok_bmv	NF	no factor from 2^70 to 2^71
2015-04-27	Smok_bmv	NF	no factor from 2^69 to 2^70
2015-04-20	Josh Famestad	NF	no factor from 2^68 to 2^69
2015-04-05	bunddog	NF	no factor from 2^67 to 2^68
2014-12-03	tsc	NF	no factor from 2^66 to 2^67
2012-06-26	Andrew B	NF	no factor from 2^65 to 2^66
2010-10-08	Thomas Stork	NF	no factor from 2^64 to 2^65
2010-05-09	-Anonymous-	NF	no factor from 2^63 to 2^64