1 843 183 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
1282855369	10	30.3	old
14498477479	11	33.8	2008-07-15 07:47:18
27603508609	11	34.7	2008-07-15 07:47:18
188730880103	12	37.5	2008-07-15 07:47:18
3507172165299359	16	51.6	2014-07-06 11:57:03
835922814028155447994489	24	79.5	2020-12-01 13:16:50

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	107 / 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	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-05	Oliver Kruse	F7E62F042F1D063E	5	0	1	3
Verified (Factored)	2017-11-11	kkmrkkblmbrbk	F7E62F042F1D063E	5	1213606	1	3
Verified	2020-12-01	mrh	01E323DA1E91EC42	6	184809	5	3

History

Date	User	Type	Result
2022-04-05	Joss	NF-PM1	B1=1000000, B2=1035044010
2020-12-01	Ben Delo	CERT	PRP Certification Proof certified good
2020-12-01	mrh	C-PRP	M1843183/1282855369/14498477479/188730880103/27603508609/3507172165299359/835922814028155447994489 : 01E323DA1E91EC42 PRP proof power = 7 PRP: Verified Proof certified good
2020-12-01	_p95holder_	F-ECM	Factor: 835922814028155447994489 / (ECM curve 6, B1=50000, B2=5000000)
2017-11-11	kkmrkkblmbrbk	C-PRP	M1843183/1282855369/14498477479/27603508609/188730880103/3507172165299359 : F7E62F042F1D063E PRP: Verified (Factored) PRP without proof (not generated)
2017-10-05	Oliver Kruse	C-PRP	M1843183/1282855369/14498477479/188730880103/27603508609/3507172165299359 : F7E62F042F1D063E PRP: Verified (Factored) PRP without proof (not generated)
2017-10-04	Oliver Kruse	C-PRP	M1843183/1282855369/14498477479/188730880103/27603508609/3507172165299359 : F7E62F042F1D063E PRP without proof (not generated)
2014-07-06	TJAOI	F	Factor: 3507172165299359
2008-07-15	J Feitsma	F	Factor: 27603508609
2008-07-15	J Feitsma	F	Factor: 188730880103
2008-07-15	J Feitsma	F	Factor: 14498477479