5 027 203 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
20578282379359	14	44.2	old
21892222318657	14	44.3	2008-09-08 00:22:33
157267009635701193479	21	67.1	2019-09-24 15:34:01

ECM

Digits	B1	Curves
25	50000	3 / 280

Estimated T-Level: 20.1 ⓘ

TF below 2^62 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-11-22	Oliver Kruse	446D6BE821A4E568	2	5004366	5	3
Verified (Factored)	2018-01-15	kkmrkkblmbrbk	446D6BE821A4E568	2	3610076	5	3
Verified	2019-09-25	mnd9	446D6BE821A4E568	3	921835	5	3

History

Date	User	Type	Result
2023-05-11	This -Anonymous-	NF-PM1	B1=50000, B2=1000000
2019-09-25	mnd9	C-PRP	M5027203/20578282379359/21892222318657/157267009635701193479 : 446D6BE821A4E568 PRP: Verified PRP without proof (not generated)
2019-09-24	Ducho_YYZ	F-ECM	Factor: 157267009635701193479 / (ECM curve 3, B1=50000, B2=5000000)
2018-01-15	kkmrkkblmbrbk	C-PRP	M5027203/20578282379359/21892222318657 : 446D6BE821A4E568 PRP: Verified PRP without proof (not generated)
2017-11-22	Oliver Kruse	C-PRP	M5027203/20578282379359/21892222318657 : 446D6BE821A4E568 PRP: Verified PRP without proof (not generated)
2008-09-08	Will Edgington	F	Factor: 21892222318657