109 287 547 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 =	772000
B2 =	19071000

Status	Date	User	Residue	Shift	Type	Base
Verified	2020-11-26	ky0uraku	44141F0E7F527BAD	42920000	1	3

History

Date	User	Type	Result
2020-11-26	dracstaxi	CERT	PRP Certification CERT proof power = 9 Proof certified good
2020-11-26	ky0uraku	C-PRP	44141F0E7F527BAD PRP proof power = 9 PRP: Verified Proof certified good
2020-11-20	ky0uraku	NF-PM1	B1=772000, B2=19071000
2020-10-24	RichD0	NF	no factor from 2^75 to 2^76
2020-10-21	ktony	NF	no factor from 2^74 to 2^75
2020-03-13	Ayczly	NF	no factor from 2^73 to 2^74
2020-03-13	Ayczly	NF	no factor from 2^72 to 2^73
2019-01-27	Niels_Mache_Nextcloud	NF	no factor from 2^71 to 2^72
2014-11-01	shauge	NF	no factor from 2^70 to 2^71
2014-11-01	shauge	NF	no factor from 2^69 to 2^70
2014-08-03	SMoffat	NF	no factor from 2^68 to 2^69
2014-07-26	Smok_bmv	NF	no factor from 2^67 to 2^68
2013-09-28	bayanne	NF	no factor from 2^66 to 2^67
2012-06-01	Richard	NF	no factor from 2^65 to 2^66
2010-09-14	James Hintz	NF	no factor from 2^64 to 2^65
2010-04-28	Lars Fricke	NF	no factor from 2^63 to 2^64