1 829 623 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
111532285241754529727160073	27	86.5	2015-06-17 17:35:33

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	106 / 640

Estimated T-Level: 25.8 ⓘ

TF below 2^81 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Fred Stojentin	00882CF150787136	0
Verified (Factored)	1998-12-21	Mark Huffstutter	00882CF150787136	524184

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-04	Oliver Kruse	AFF6F9065CA3DAA8	1	0	1	3
Verified	2017-11-06	bayanne	AFF6F9065CA3DAA8	1	521883	1	3

P-1 factors

Date	Factor	B1	B2
2015-06-17	111532285241754529727160073	2780000	0

History

Date	User	Type	Result
2017-11-06	bayanne	C-PRP	M1829623/111532285241754529727160073 : AFF6F9065CA3DAA8 PRP: Verified PRP without proof (not generated)
2017-10-04	Oliver Kruse	C-PRP	M1829623/111532285241754529727160073 : AFF6F9065CA3DAA8 PRP: Verified PRP without proof (not generated)
2016-03-16	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2015-06-17	mikr	F-PM1	Factor: 111532285241754529727160073 / (P-1, B1=2780000)
2015-04-26	snme2pm1	NF	no factor from 2^64 to 2^65
2015-04-26	snme2pm1	NF	no factor from 2^63 to 2^64
2014-09-22	Joss	NF-PM1	B1=170162
2014-05-19	Joss	NF-PM1	B1=135081
2011-02-10	Carsten Kossendey	NF-PM1	B1=100000, B2=1675000, E=6
2011-01-21	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2010-04-10	Architects Cubed	NF	no factor from 2^60 to 2^61