115 514 291 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 =	968000
B2 =	77898990

Status	Date	User	Residue	Shift	Type	Base
Verified	2023-10-14	Aurelius713	BA37C8A9A9B4A246	57199890	1	3

History

Date	User	Type	Result
2023-10-15	slandrum	CERT	PRP Certification CERT proof power = 8 Proof certified good
2023-10-14	Aurelius713	C-PRP	BA37C8A9A9B4A246 PRP proof power = 8 PRP: Verified Proof certified good
2022-07-17	mrk74	NF-PM1	B1=968000, B2=77898990
2022-04-18	TheJudger	NF	no factor from 2^76 to 2^77
2021-06-02	TheJudger	NF	no factor from 2^75 to 2^76
2021-06-02	TheJudger	NF	no factor from 2^74 to 2^75
2020-11-12	LOBES	NF	no factor from 2^73 to 2^74
2020-04-24	SRBase	NF	no factor from 2^72 to 2^73
2015-03-03	arnaud	NF	no factor from 2^71 to 2^72
2015-02-28	Bronzeman	NF	no factor from 2^70 to 2^71
2015-02-28	Bronzeman	NF	no factor from 2^69 to 2^70
2015-02-28	Bronzeman	NF	no factor from 2^68 to 2^69
2015-02-28	Bronzeman	NF	no factor from 2^67 to 2^68
2014-11-27	tsc	NF	no factor from 2^66 to 2^67
2012-06-20	subgenius	NF	no factor from 2^65 to 2^66
2010-10-10	ANONYMOUS	NF	no factor from 2^64 to 2^65
2010-05-08	sasaki3	NF	no factor from 2^63 to 2^64