111 212 117 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 =	524000
B2 =	20560000

Status	Date	User	Residue	Shift	Type	Base
Verified	2022-10-28	ky0uraku	C3947D753F3E1973	10017163	1	3

History

Date	User	Type	Result
2022-10-28	K. Jeong	CERT	PRP Certification CERT proof power = 9 Proof certified good
2022-10-28	ky0uraku	C-PRP	C3947D753F3E1973 PRP proof power = 9 PRP: Verified Proof certified good
2022-04-09	TheJudger	NF	no factor from 2^76 to 2^77
2022-03-15	Ryan Propper	NF-PM1	B1=524000, B2=20560000
2020-12-21	arpcar	NF	no factor from 2^75 to 2^76
2020-11-25	arpcar	NF	no factor from 2^74 to 2^75
2020-06-30	Rui Caneira	NF	no factor from 2^73 to 2^74
2020-04-23	SRBase	NF	no factor from 2^72 to 2^73
2015-02-02	Ilya Alexandrov	NF	no factor from 2^71 to 2^72
2015-02-02	Ilya Alexandrov	NF	no factor from 2^70 to 2^71
2015-02-02	Ilya Alexandrov	NF	no factor from 2^69 to 2^70
2015-02-01	aurashift	NF	no factor from 2^68 to 2^69
2014-11-21	webbert	NF	no factor from 2^67 to 2^68
2014-11-09	sasaki3	NF	no factor from 2^66 to 2^67
2012-05-31	omiXorp	NF	no factor from 2^65 to 2^66
2010-09-21	sasaki3	NF	no factor from 2^64 to 2^65
2010-05-02	Torchwood Institute	NF	no factor from 2^63 to 2^64