2 050 973 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
284986981122085519	18	58.0	old
534321549591003744089911	24	78.8	2021-07-21 13:56:02

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	179 / 640

Estimated T-Level: 26.4 ⓘ

TF below 2^83 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Joe Miller	0F0467803101DDD7	0

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-06	Oliver Kruse	72EBCC3050CF9127	1	0	1	3
Verified (Factored)	2017-11-15	kkmrkkblmbrbk	72EBCC3050CF9127	1	1825112	1	3
Verified	2021-07-21	SRJ2877	AB4D176957F911B5	2	1650245	5	3
Verified	2021-07-21	tanaydin	AB4D176957F911B5	2	1479982	5	3

History

Date	User	Type	Result
2021-07-21	Quevvy	CERT	PRP Certification Proof certified good
2021-07-21	tanaydin	C-PRP	M2050973/284986981122085519/534321549591003744089911 : AB4D176957F911B5 PRP proof power = 7 PRP: Verified Proof certified good
2021-07-21	MARK_DANA_ROCKMAN	CERT	PRP Certification Proof certified good
2021-07-21	SRJ2877	C-PRP	M2050973/284986981122085519/534321549591003744089911 : AB4D176957F911B5 PRP proof power = 7 PRP: Verified Proof certified good
2021-07-21	_p95holder_	F-ECM	Factor: 534321549591003744089911 / (ECM curve 2, B1=50000, B2=5000000)
2017-11-15	kkmrkkblmbrbk	C-PRP	M2050973/284986981122085519 : 72EBCC3050CF9127 PRP: Verified (Factored) PRP without proof (not generated)
2017-10-06	Oliver Kruse	C-PRP	M2050973/284986981122085519 : 72EBCC3050CF9127 PRP: Verified (Factored) PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=500000, B2=15000000, E=12