5 905 967 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
1406278269840937839191	22	70.3	2011-06-19 07:44:38

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)	1998-12-27	Anton Rebhan	562EA5A06E9705A9	0
Bad	2000-12-07	John Zabel	B14788E02128C819	3829214
Verified (Factored)	2001-09-22	chris clark	562EA5A06E9705A9	1823349

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-20	kkmrkkblmbrbk	931702F192029D4C	1	0	1	3
Verified	2018-09-10	ATH	931702F192029D4C	1	5816343	1	3

History

Date	User	Type	Result
2018-09-10	ATH	C-PRP	M5905967/1406278269840937839191 : 931702F192029D4C PRP: Verified PRP without proof (not generated)
2017-09-20	kkmrkkblmbrbk	C-PRP	M5905967/1406278269840937839191 : 931702F192029D4C PRP: Verified PRP without proof (not generated)
2011-06-19	JimBa	F-ECM	Factor: 1406278269840937839191
2011-06-16	USAFSS	NF-PM1	B1=70000, B2=1120000, E=6