129 243 781 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 2⁷⁷

P-1

B1 =	1115000
B2 =	1502428200

Status	Date	User	Residue	Shift	Type	Base
Verified	2024-08-20	Luke Durant	D7665847AEDB93F1	0	1	3

History

Date	User	Type	Result
2024-08-20	Chun sung soo	CERT	PRP Certification CERT proof power = 9 Proof certified good
2024-08-20	Luke Durant	C-PRP	D7665847AEDB93F1 PRP proof power = 9 PRP: Verified Proof certified good
2024-08-01	Luke Durant	NF-PM1	B1=1115000, B2=1502428200
2023-03-07	TravisJank	NF	no factor from 2^76 to 2^77
2023-03-07	TravisJank	NF	no factor from 2^75 to 2^76
2022-12-27	SRBase	NF	no factor from 2^74 to 2^75
2021-07-15	SRBase	NF	no factor from 2^73 to 2^74
2020-10-23	SRBase	NF	no factor from 2^72 to 2^73
2016-05-15	d3zorg	NF	no factor from 2^71 to 2^72
2016-05-15	proxy2222	NF	no factor from 2^70 to 2^71
2016-05-15	proxy2222	NF	no factor from 2^69 to 2^70
2016-05-15	proxy2222	NF	no factor from 2^68 to 2^69
2016-02-21	proxy2222	NF	no factor from 2^67 to 2^68
2015-01-12	sasaki3	NF	no factor from 2^66 to 2^67
2012-10-04	omiXorp	NF	no factor from 2^65 to 2^66
2010-11-09	Architects Cubed	NF	no factor from 2^64 to 2^65
2010-06-01	-Anonymous-	NF	no factor from 2^63 to 2^64