120 282 683 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 =	770000
B2 =	134627850

Status	Date	User	Residue	Shift	Type	Base
Verified	2024-04-23	Mirra	D920861CB30F8A35	0	1	3

History

Date	User	Type	Result
2024-04-24	Miro	CERT	PRP Certification CERT proof power = 8 Proof certified good
2024-04-23	Mirra	C-PRP	D920861CB30F8A35 PRP proof power = 8 PRP: Verified Proof certified good
2023-11-20	makabaka	NF-PM1	B1=770000, B2=134627850
2022-06-20	TheJudger	NF	no factor from 2^76 to 2^77
2021-07-11	TheJudger	NF	no factor from 2^75 to 2^76
2021-07-11	TheJudger	NF	no factor from 2^74 to 2^75
2021-06-11	gcardona	NF	no factor from 2^73 to 2^74
2020-10-25	SRBase	NF	no factor from 2^72 to 2^73
2015-05-10	ITS	NF	no factor from 2^71 to 2^72
2015-05-02	ITS	NF	no factor from 2^70 to 2^71
2015-04-25	Xebecer	NF	no factor from 2^69 to 2^70
2015-04-19	SMoffat	NF	no factor from 2^68 to 2^69
2015-01-14	caddr	NF	no factor from 2^67 to 2^68
2013-04-20	E.Lechner	NF	no factor from 2^66 to 2^67
2012-08-10	Richard	NF	no factor from 2^65 to 2^66
2010-10-20	EPF	NF	no factor from 2^64 to 2^65
2010-05-16	Mr-Plonk	NF	no factor from 2^63 to 2^64