127 162 769 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 2⁷⁷

P-1

B1 =	1068000
B2 =	1389365250

Status	Date	User	Residue	Shift	Type	Base
Verified	2024-08-20	K. Jeong	FB4FFEC753840CEF	55252985	1	3

History

Date	User	Type	Result
2024-08-20	Luke Durant	CERT	PRP Certification CERT proof power = 8 Proof certified good
2024-08-20	K. Jeong	C-PRP	FB4FFEC753840CEF PRP proof power = 8 PRP: Verified Proof certified good
2024-07-15	Luke Durant	NF-PM1	B1=1068000, B2=1389365250
2023-02-23	David Kevin Britt	NF	no factor from 2^77 to 2^78
2022-10-01	RichD0	NF	no factor from 2^76 to 2^77
2022-10-01	Kevin Jaget	NF	no factor from 2^75 to 2^76
2022-09-30	riccardo uberti	NF	no factor from 2^74 to 2^75
2021-07-11	SRBase	NF	no factor from 2^73 to 2^74
2020-11-14	SRBase	NF	no factor from 2^72 to 2^73
2016-05-20	PascalBieri	NF	no factor from 2^71 to 2^72
2016-05-12	PascalBieri	NF	no factor from 2^70 to 2^71
2016-05-02	PascalBieri	NF	no factor from 2^69 to 2^70
2016-03-27	proxy2222	NF	no factor from 2^68 to 2^69
2015-08-23	el grocco	NF	no factor from 2^67 to 2^68
2015-01-05	tsc	NF	no factor from 2^66 to 2^67
2012-09-22	Mr-Plonk	NF	no factor from 2^65 to 2^66
2010-11-05	hustensaft	NF	no factor from 2^64 to 2^65
2010-05-27	sasaki3	NF	no factor from 2^63 to 2^64