7 079 707 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
928319223277628296640447231087	30	99.6	2016-03-20 13:05:30

ECM

Digits	B1	Curves
25	50000	3 / 280

Estimated T-Level: 20.1 ⓘ

TF below 2^62 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)	1999-04-02	Joel Armengaud	A779186AC8BE0C4C	0
Verified (Factored)	2002-08-10	Keith O'Dell	A779186AC8BE0C4C	3672101

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-02-05	_p95holder_	B7383E9E40D67196	1	5868296	5	3
Verified	2019-03-11	kkmrkkblmbrbk	B7383E9E40D67196	1	3852370	5	3

P-1 factors

Date	Factor	B1	B2
2016-03-20	928319223277628296640447231087	5000000	125000000

History

Date	User	Type	Result
2019-03-11	kkmrkkblmbrbk	C-PRP	M7079707/928319223277628296640447231087 : B7383E9E40D67196 PRP: Verified PRP without proof (not generated)
2018-02-05	_p95holder_	C-PRP	M7079707/928319223277628296640447231087 : B7383E9E40D67196 PRP: Verified PRP without proof (not generated)
2016-03-20	mikr	F-PM1	Factor: 928319223277628296640447231087 / (P-1, B1=5000000, B2=125000000, E=12)
2014-08-17	Nesowa	NF-PM1	B1=250000, B2=3812500, E=6
2013-07-02	Never Odd Or Even	NF	no factor from 2^72 to 2^73
2013-07-02	Never Odd Or Even	NF	no factor from 2^71 to 2^72
2013-03-13	Never Odd Or Even	NF	no factor from 2^70 to 2^71
2013-03-10	Never Odd Or Even	NF	no factor from 2^69 to 2^70
2013-03-10	Never Odd Or Even	NF	no factor from 2^68 to 2^69
2012-03-14	Never Odd Or Even	NF	no factor from 2^67 to 2^68
2012-03-14	Never Odd Or Even	NF	no factor from 2^66 to 2^67
2012-02-19	Never Odd Or Even	NF	no factor from 2^65 to 2^66
2012-02-19	Never Odd Or Even	NF	no factor from 2^64 to 2^65
2012-02-19	Never Odd Or Even	NF	no factor from 2^63 to 2^64
2011-12-30	bcp19	NF-PM1	B1=85000, B2=1551250, E=6