1 337 459 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
8404528157969	13	42.9	old
1847224257047638323607	22	70.6	2018-06-03 16:57:58
70790322328429133265840839	26	85.9	2021-08-06 10:56:06

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	105 / 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)	2017-09-30	Oliver Kruse	04B2C160088FF95F	1	0	1	3
Verified (Factored)	2017-10-24	kkmrkkblmbrbk	04B2C160088FF95F	1	494868	1	3
Verified (Factored)	2018-06-04	Oliver Kruse	7893D91B5548B908	2	583916	5	3
Verified (Factored)	2018-06-04	Battlemaxx	7893D91B5548B908	2	1073524	5	3
Verified	2021-08-06	SRJ2877	7893D91B5548B908	3	975058	5	3
Verified	2021-08-06	JackBlock	7893D91B5548B908	3	740023	5	3

History

Date	User	Type	Result
2021-08-06	Ben Delo	CERT	PRP Certification Proof certified good
2021-08-06	JackBlock	C-PRP	M1337459/8404528157969/1847224257047638323607/70790322328429133265840839 : 7893D91B5548B908 PRP proof power = 6 PRP: Verified Proof certified good
2021-08-06	Ben Delo	CERT	PRP Certification Proof certified good
2021-08-06	SRJ2877	C-PRP	M1337459/8404528157969/1847224257047638323607/70790322328429133265840839 : 7893D91B5548B908 PRP proof power = 6 PRP: Verified Proof certified good
2021-08-06	TJAOI	F-ECM	Factor: 70790322328429133265840839 / (ECM curve 31, B1=250000, B2=35000000)
2018-06-04	Battlemaxx	C-PRP	M1337459/8404528157969/1847224257047638323607 : 7893D91B5548B908 PRP: Verified (Factored) PRP without proof (not generated)
2018-06-04	Oliver Kruse	C-PRP	M1337459/8404528157969/1847224257047638323607 : 7893D91B5548B908 PRP: Verified (Factored) PRP without proof (not generated)
2018-06-03	Chang Chia-Tche	F-ECM	Factor: 1847224257047638323607 / (ECM curve 2, B1=50000, B2=5000000)
2017-10-24	kkmrkkblmbrbk	C-PRP	M1337459/8404528157969 : 04B2C160088FF95F PRP: Verified (Factored) PRP without proof (not generated)
2017-09-30	Oliver Kruse	C-PRP	M1337459/8404528157969 : 04B2C160088FF95F PRP: Verified (Factored) PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=500000, B2=15000000, E=12