119 128 871 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 =	649000
B2 =	52670670

Status	Date	User	Residue	Shift	Type	Base
Verified	2024-03-23	Luke Durant	77C12F9872F4833B	0	1	3

History

Date	User	Type	Result
2024-03-23	Apollo	CERT	PRP Certification CERT proof power = 8 Proof certified good
2024-03-23	Luke Durant	C-PRP	77C12F9872F4833B PRP proof power = 8 PRP: Verified Proof certified good
2023-09-04	Extremofire	NF-PM1	B1=649000, B2=52670670
2022-03-19	LordJulius	NF	no factor from 2^61 to 2^63
2022-01-27	La Güira	NF	no factor from 2^76 to 2^77
2021-07-07	TheJudger	NF	no factor from 2^75 to 2^76
2021-05-24	hkt	NF	no factor from 2^74 to 2^75
2021-03-11	Richard Thomas	NF	no factor from 2^73 to 2^74
2020-10-23	SRBase	NF	no factor from 2^72 to 2^73
2015-05-04	Mihai Preda	NF	no factor from 2^71 to 2^72
2015-04-25	Mihai Preda	NF	no factor from 2^70 to 2^71
2015-04-13	Judge Hale	NF	no factor from 2^69 to 2^70
2015-04-13	Judge Hale	NF	no factor from 2^68 to 2^69
2015-04-13	Judge Hale	NF	no factor from 2^67 to 2^68
2014-12-12	ANONYMOUS	NF	no factor from 2^66 to 2^67
2012-07-21	sasaki3	NF	no factor from 2^65 to 2^66
2010-10-15	sasaki3	NF	no factor from 2^64 to 2^65
2010-05-18	Richard	NF	no factor from 2^63 to 2^64