56 182 733 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

TF

No factors below 2⁷⁴

TF target 2⁷³

P-1

B1 =	545000
B2 =	10491250

Status	Date	User	Residue	Shift
Unverified	2012-10-11	danger-boy	A3D8970360EE02__	49919453

Status	Date	User	Residue	Shift	Type	Base
Verified	2021-05-06	Conductor	4B62DA398DAD7EF0	50682393	1	3

History

Date	User	Type	Result
2021-05-07	ky0uraku	CERT	PRP Certification CERT proof power = 9 Proof certified good
2021-05-06	Conductor	C-PRP	4B62DA398DAD7EF0 PRP proof power = 9 PRP: Verified Proof certified good
2018-05-19	ktony	NF	no factor from 2^73 to 2^74
2016-02-23	Mark Rose	NF	no factor from 2^60 to 2^63
2015-12-30	-Anonymous-	NF	no factor from 2^72 to 2^73
2012-10-11	danger-boy	C-LL	A3D8970360EE02__
2012-08-15	Craig Meyers	NF-PM1	B1=545000, B2=10491250
2012-07-01	Jerry Hallett	NF	no factor from 2^71 to 2^72
2011-11-02	Ethan O'Connor	NF	no factor from 2^70 to 2^71
2011-06-08	-Anonymous-	NF	no factor from 2^69 to 2^70
2011-04-12	NicolasRey	NF	no factor from 2^68 to 2^69
2010-01-16	runesk	NF	no factor from 2^67 to 2^68
2008-07-06	Sturle Sunde	NF	no factor from 2^66 to 2^67
2008-07-05	Sturle Sunde	NF	no factor from 2^65 to 2^66
2008-07-04	Sturle Sunde	NF	no factor from 2^64 to 2^65
2008-07-04	Sturle Sunde	NF	no factor from 2^63 to 2^64