112 168 411 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 =	512000
B2 =	19307000

Status	Date	User	Residue	Shift	Type	Base
Verified	2023-02-23	ky0uraku	44610E2B29E1E421	16839973	1	3

History

Date	User	Type	Result
2023-02-23	rodney02	CERT	PRP Certification CERT proof power = 9 Proof certified good
2023-02-23	ky0uraku	C-PRP	44610E2B29E1E421 PRP proof power = 9 PRP: Verified Proof certified good
2022-04-21	Ryan Propper	NF-PM1	B1=512000, B2=19307000
2021-01-06	arpcar	NF	no factor from 2^76 to 2^77
2020-12-04	arpcar	NF	no factor from 2^75 to 2^76
2020-11-16	arpcar	NF	no factor from 2^74 to 2^75
2020-07-09	La Güira	NF	no factor from 2^73 to 2^74
2020-04-21	SRBase	NF	no factor from 2^72 to 2^73
2015-08-15	Bronzeman	NF	no factor from 2^71 to 2^72
2015-08-15	Bronzeman	NF	no factor from 2^70 to 2^71
2015-08-15	Bronzeman	NF	no factor from 2^69 to 2^70
2015-08-15	Bronzeman	NF	no factor from 2^68 to 2^69
2014-11-18	RichD0	NF	no factor from 2^67 to 2^68
2014-11-10	vwflat4	NF	no factor from 2^66 to 2^67
2012-05-31	omiXorp	NF	no factor from 2^65 to 2^66
2010-09-25	sasaki3	NF	no factor from 2^64 to 2^65
2010-05-20	Richard	NF	no factor from 2^63 to 2^64