160 371 719 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 2⁷⁹

TF target 2⁷⁸

P-1

B1 =	5000000
B2 =	150000000

Status	Date	User	Residue	Shift	Type	Base
Verified	2021-01-28	Roland Clarkson	915EF9A2FC43FE89	0	1	3

History

Date	User	Type	Result
2021-01-28	curtisc	CERT	PRP Certification CERT proof power = 8 Proof certified good
2021-01-28	Roland Clarkson	C-PRP	915EF9A2FC43FE89 PRP proof power = 8 PRP: Verified Proof certified good
2021-01-21	Roland Clarkson	NF-PM1	B1=5000000, B2=150000000
2021-01-20	Roland Clarkson	NF	no factor from 2^78 to 2^79
2021-01-20	Roland Clarkson	NF	no factor from 2^77 to 2^78
2021-01-20	Roland Clarkson	NF	no factor from 2^76 to 2^77
2017-12-06	Oliver Kruse	NF	no factor from 2^70 to 2^76
2017-03-29	La Güira	NF	no factor from 2^69 to 2^70
2017-03-29	La Güira	NF	no factor from 2^68 to 2^69
2016-03-04	XZT	NF	no factor from 2^67 to 2^68
2015-05-03	Alex Wu	NF	no factor from 2^66 to 2^67
2013-02-23	Damian Silvestre	NF	no factor from 2^65 to 2^66
2011-02-02	runesk	NF	no factor from 2^64 to 2^65
2010-06-29	oodaira	NF	no factor from 2^63 to 2^64