8 069 783 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
48017036631962942321	20	65.4	2015-04-24 21:33:50

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)	2000-12-14	C. Cooper / S. Boone	DC213EA5D7F01A78	5932401
Verified (Factored)	2003-06-30	MaChInE	DC213EA5D7F01A78	3826242

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-07-29	_p95holder_	205881B19608D56F	1	7713196	5	3
Verified	2020-01-19	marssystems	205881B19608D56F	1	5132757	5	3

History

Date	User	Type	Result
2020-01-19	marssystems	C-PRP	M8069783/48017036631962942321 : 205881B19608D56F PRP: Verified PRP without proof (not generated)
2018-07-29	_p95holder_	C-PRP	M8069783/48017036631962942321 : 205881B19608D56F PRP: Verified PRP without proof (not generated)
2015-04-24	snme2pm1	F	Factor: 48017036631962942321 / TF: 65-66*
2013-12-25	David Campeau	NF	no factor from 2^64 to 2^65
2013-08-24	David Campeau	NF	no factor from 2^63 to 2^64
2012-10-06	Nesowa	NF-PM1	B1=100000, B2=1950000, E=6