1 830 481 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
182115093856567726721	21	67.3	2019-07-01 11:11:04

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	Shift
Verified (Factored)		Robert Eals	A05F41DFCBBA786A	0
Verified (Factored)	1998-12-06	Bruce Mitchell	A05F41DFCBBA786A	758077
Verified (Factored)	2015-07-10	MadPoo	A05F41DFCBBA786A	97536

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2019-07-02	Niels_Mache_Nextcloud	00945EB711CC5943	1	306510	5	3
Verified	2019-07-04	artorollo	00945EB711CC5943	1	1149169	5	3

History

Date	User	Type	Result
2019-07-04	artorollo	C-PRP	M1830481/182115093856567726721 : 00945EB711CC5943 PRP: Verified PRP without proof (not generated)
2019-07-02	Niels_Mache_Nextcloud	C-PRP	M1830481/182115093856567726721 : 00945EB711CC5943 PRP: Verified PRP without proof (not generated)
2019-07-01	TJAOI	F	Factor: 182115093856567726721 / TF: 67-68
2018-09-10	Joss	NF-PM1	B1=1830481, B2=183048100, E=12
2018-03-26	TJAOI	NF	no factor from 2^66 to 2^67
2016-02-23	Mark Rose	NF	no factor from 2^61 to 2^62
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2016-02-23	Mark Rose	NF	no factor from 2^58 to 2^60
2015-09-04	ramgeis	NF	no factor from 2^65 to 2^66
2015-07-10	MadPoo	C-LL	A05F41DFCBBA786A
2015-06-19	mikr	NF-PM1	B1=2780000, B2=91760000, E=12
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=170128
2014-05-19	Joss	NF-PM1	B1=135064
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
2010-04-13	Architects Cubed	NF	no factor from 2^60 to 2^61