118 180 189 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 2⁷⁸

TF target 2⁷⁶

P-1

B1 =	513000
B2 =	16612000

Status	Date	User	Residue	Shift	Type	Base
Verified	2023-09-21	ky0uraku	FC457C4B52D20AB4	6115269	1	3

History

Date	User	Type	Result
2023-09-22	curtisc	CERT	PRP Certification CERT proof power = 9 Proof certified good
2023-09-21	ky0uraku	C-PRP	FC457C4B52D20AB4 PRP proof power = 9 PRP: Verified Proof certified good
2023-06-07	S00030	NF-PM1	B1=513000, B2=16612000
2022-10-14	Aerow	NF	no factor from 2^77 to 2^78
2021-12-31	burkhajo	NF	no factor from 2^76 to 2^77
2021-07-04	TheJudger	NF	no factor from 2^75 to 2^76
2021-03-20	EthanD	NF	no factor from 2^74 to 2^75
2019-08-27	Niels_Mache_Nextcloud	NF	no factor from 2^73 to 2^74
2016-04-08	snme2pm1	NF	no factor from 2^72 to 2^73
2014-11-30	snme2pm1	NF	no factor from 2^71 to 2^72
2014-11-30	snme2pm1	NF	no factor from 2^70 to 2^71
2014-11-30	snme2pm1	NF	no factor from 2^69 to 2^70
2014-06-27	snme2pm1	NF	no factor from 2^68 to 2^69
2014-04-09	snme2pm1	NF	no factor from 2^66 to 2^68
2012-07-12	tsc	NF	no factor from 2^65 to 2^66
2010-10-13	Torchwood Institute	NF	no factor from 2^64 to 2^65
2010-05-13	sasaki3	NF	no factor from 2^63 to 2^64