83 032 757 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 2⁷⁵

P-1

B1 =	451000
B2 =	153368670

Status	Date	User	Residue	Shift
Unverified	2019-01-16	Andrew_and	283D8B5C90FBD1__	17608225

Status	Date	User	Residue	Shift	Type	Base
Verified	2024-10-16	Luke Durant	04CAAD3FDECBB0A6	0	1	3

History

Date	User	Type	Result
2024-10-16	SWSinRI	CERT	PRP Certification CERT proof power = 9 Proof certified good
2024-10-16	Luke Durant	C-PRP	04CAAD3FDECBB0A6 PRP proof power = 9 PRP: Verified Proof certified good
2024-06-11	James Heinrich	NF	no factor from 2^68 to 2^69
2022-11-01	Kriesel	NF-PM1	B1=451000, B2=153368670
2019-01-16	Andrew_and	C-LL	283D8B5C90FBD1__
2017-02-24	Sid & Andy	NF-PM1	B1=765000
2017-02-05	Kevin Jaget	NF	no factor from 2^75 to 2^76
2016-12-27	Brian Beuning	NF	no factor from 2^74 to 2^75
2016-12-27	Brian Beuning	NF	no factor from 2^73 to 2^74
2016-12-04	garo	NF	no factor from 2^72 to 2^73
2016-12-04	garo	NF	no factor from 2^71 to 2^72
2015-07-24	monst	NF	no factor from 2^70 to 2^71
2014-07-19	timc995	NF	no factor from 2^69 to 2^70
2014-01-14	Carsten Kossendey	NF	no factor from 2^68 to 2^69
2013-10-21	Lelikoid	NF	no factor from 2^67 to 2^68
2013-06-18	Pierre Abbat	NF	no factor from 2^66 to 2^67
2012-09-12	Carsten Kossendey	NF	no factor from 2^65 to 2^66
2010-12-18	Architects Cubed	NF	no factor from 2^64 to 2^65