107 241 289 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 2⁷⁶

TF target 2⁷⁶

P-1

B1 =	757000
B2 =	21031000

Status	Date	User	Residue	Shift	Type	Base
Verified	2021-11-13	Sir Rutherford J. Pinkerton III	43BB7A74EB65FD96	5016120	1	3

History

Date	User	Type	Result
2021-11-14	curtisc	CERT	PRP Certification CERT proof power = 8 Proof certified good
2021-11-13	Sir Rutherford J. Pinkerton III	C-PRP	43BB7A74EB65FD96 PRP proof power = 8 PRP: Verified Proof certified good
2021-11-07	Jwb52z	NF-PM1	B1=757000, B2=21031000
2021-04-10	TheJudger	NF	no factor from 2^75 to 2^76
2021-04-10	TheJudger	NF	no factor from 2^74 to 2^75
2020-06-25	gcardona	NF	no factor from 2^73 to 2^74
2020-03-28	SRBase	NF	no factor from 2^72 to 2^73
2015-01-18	Xebecer	NF	no factor from 2^71 to 2^72
2014-10-31	shauge	NF	no factor from 2^70 to 2^71
2014-10-31	shauge	NF	no factor from 2^69 to 2^70
2014-10-31	shauge	NF	no factor from 2^68 to 2^69
2014-10-31	shauge	NF	no factor from 2^67 to 2^68
2013-09-24	Pung	NF	no factor from 2^66 to 2^67
2012-05-19	omiXorp	NF	no factor from 2^65 to 2^66
2010-09-07	Charles A. Morris	NF	no factor from 2^64 to 2^65
2010-04-24	Torchwood Institute	NF	no factor from 2^63 to 2^64