112 866 001 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 =	4500000
B2 =	135000000

Status	Date	User	Residue	Shift	Type	Base
Verified	2021-11-25	Ernst W. Mayer	5C649FEC235E12DD	0	1	3

History

Date	User	Type	Result
2021-11-26	ANONYMOUS	CERT	PRP Certification CERT proof power = 7 Proof certified good
2021-11-25	Ernst W. Mayer	C-PRP	5C649FEC235E12DD PRP proof power = 7 PRP: Verified Proof certified good
2021-11-23	Ernst W. Mayer	NF-PM1	B1=4500000, B2=135000000
2020-12-16	arpcar	NF	no factor from 2^76 to 2^77
2020-12-01	arpcar	NF	no factor from 2^75 to 2^76
2020-11-25	arpcar	NF	no factor from 2^74 to 2^75
2020-07-26	tsc	NF	no factor from 2^73 to 2^74
2020-04-04	tsc	NF	no factor from 2^72 to 2^73
2019-01-08	Niels_Mache_Nextcloud	NF	no factor from 2^71 to 2^72
2015-02-12	C.D.B.	NF	no factor from 2^70 to 2^71
2015-02-11	C.D.B.	NF	no factor from 2^69 to 2^70
2015-02-08	C.D.B.	NF	no factor from 2^68 to 2^69
2015-02-07	C.D.B.	NF	no factor from 2^67 to 2^68
2014-11-11	poweredge	NF	no factor from 2^66 to 2^67
2012-06-03	Torchwood Institute	NF	no factor from 2^65 to 2^66
2010-09-28	Nathan Edington	NF	no factor from 2^64 to 2^65
2010-05-05	Martti Järvi	NF	no factor from 2^63 to 2^64