333 331 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
3107481474810743	16	51.5	old
569567279440694579302435793129	30	98.8	2024-03-22 20:22:14

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	484 / 640

Estimated T-Level: 28.8 ⓘ

TF below 2^91 is very unlikely to find new factors due to ECM effort.

Status		Date	User	Residue	Number of known factors	Shift	Type	Base
composite	Verified (Factored)	2017-09-23	Oliver Kruse	C763F98A0C2DA1FD	1	0	1	3
composite	Verified (Factored)	2017-10-13	Oliver Kruse	C763F98A0C2DA1FD	1	378	1	3
composite	Verified (Factored)	2017-12-12	ATH	C763F98A0C2DA1FD	1	317788	1	3
composite	Verified (Factored)	2020-04-18	Oliver Kruse	6A0EE9C2BFA9AAEB	1	87577	5	3
composite	Verified	2024-03-22	Anton Tsvetkov	6A0EE9C2BFA9AAEB	2	194520	5	3

History

Date	User	Type	Result
2024-03-22	Markus Wisnæs-Ådland	CERT	PRP Certification Proof certified good
2024-03-22	Anton Tsvetkov	C-PRP	M333331/3107481474810743/569567279440694579302435793129 : 6A0EE9C2BFA9AAEB PRP proof power = 5 PRP: Verified Proof certified good
2024-03-22	Anton Tsvetkov	F-ECM	Factor: 569567279440694579302435793129 / (ECM curve 20, B1=442404, B2=720427890, Edwards Sigma=12180206487172)
2023-08-19	USAFSS	NF-PM1	B1=4000000, B2=19965800400
2022-02-06	Lisander Viaene	NF-PM1	B1=50000
2020-04-18	Oliver Kruse	C-PRP	M333331/3107481474810743 : 6A0EE9C2BFA9AAEB PRP: Verified (Factored) PRP without proof (small exponent)
2017-12-12	ATH	C-PRP	M333331/3107481474810743 : C763F98A0C2DA1FD PRP: Verified (Factored) PRP without proof (small exponent)
2017-10-13	Oliver Kruse	C-PRP	M333331/3107481474810743 : C763F98A0C2DA1FD PRP: Verified (Factored) PRP without proof (small exponent)
2017-09-23	Oliver Kruse	C-PRP	M333331/3107481474810743 : C763F98A0C2DA1FD PRP: Verified (Factored) PRP without proof (not generated)
2017-09-22	Oliver Kruse	C-PRP	M333331/3107481474810743 : C763F98A0C2DA1FD PRP without proof (not generated)