303 679 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
7079874368196917471	19	62.6	old
11404530661481643114229729	26	83.2	2016-05-27 09:48:07
30860264243249836232062377697	29	94.6	2021-11-09 21:09:16

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	435 / 640

Estimated T-Level: 28.4 ⓘ

TF below 2^89 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-20	kkmrkkblmbrbk	FB74964B727FCC5D	2	0	1	3
Verified (Factored)	2017-10-31	ATH	FB74964B727FCC5D	2	241274	1	3
Verified (Factored)	2020-04-18	Oliver Kruse	DFF5B30B41F54A6B	2	50935	5	3
Verified	2021-11-10	SRJ2877	DFF5B30B41F54A6B	3	95029	5	3

History

Date	User	Type	Result
2024-02-23	Denial140	NF-PM1	B1=10000000, B2=206662045590
2024-02-22	Denial140	NF-PM1	B1=10000000
2023-03-17	Denial140	NF-PM1	B1=1000000, B2=65871826020
2022-02-06	Lisander Viaene	NF-PM1	B1=50000
2021-11-10	Ge yong	CERT	PRP Certification Proof certified good
2021-11-10	SRJ2877	C-PRP	M303679/7079874368196917471/11404530661481643114229729/30860264243249836232062377697 : DFF5B30B41F54A6B PRP proof power = 5 PRP: Verified Proof certified good
2021-11-09	nordi	F-ECM	Factor: 30860264243249836232062377697 / (ECM curve 19, B1=250000, B2=36750000, Sigma=8503127979824942)
2021-04-28	nordi	NF-PP1	Start=6/5, B1=10000000, B2=1010000000
2021-04-23	nordi	NF-PP1	Start=2/7, B1=10000000, B2=1010000000
2020-04-18	Oliver Kruse	C-PRP	M303679/7079874368196917471/11404530661481643114229729 : DFF5B30B41F54A6B PRP: Verified (Factored) PRP without proof (small exponent)
2017-10-31	ATH	C-PRP	M303679/11404530661481643114229729/7079874368196917471 : FB74964B727FCC5D PRP: Verified (Factored) PRP without proof (small exponent)
2017-09-27	csaba	C-PRP	M303679/known_factors : FB74964B727FCC5D PRP without proof (not generated)
2017-09-20	kkmrkkblmbrbk	C-PRP	M303679/known_factors : FB74964B727FCC5D PRP: Verified (Factored) PRP without proof (not generated)
2016-05-27	TJAOI	F-ECM	Factor: 11404530661481643114229729 / (ECM curve 84, B1=50000, B2=5000000)