2 300 689 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
5157798512829442223	19	62.2	2010-01-08 11:14:02
352813938672938689745889991	27	88.2	2021-04-04 13:48:30

ECM

Digits	B1	Curves
25	50000	41 / 280

Estimated T-Level: 20.7 ⓘ

TF below 2^64 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Andrew Churchill	BFC3625DBA86AA88	0
Verified (Factored)	1999-03-15	C. Cooper / S. Boone	BFC3625DBA86AA88	215402

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-11	Oliver Kruse	852DE4D80E51448B	1	0	1	3
Verified (Factored)	2017-11-22	storm5510	852DE4D80E51448B	1	596001	1	3
Verified	2021-04-07	Taikelenn	2A36B2CB6AF0118D	2	489633	5	3

Assigned

Assigned	User	Work Type	Stage	% Done	Updated	Expired
2024-04-19	Wojciech Florek	factor ECM small		0.00 %	2024-04-20

P-1 factors

Date	Factor	B1	B2
2021-04-04	352813938672938689745889991	5000000	505000000

History

Date	User	Type	Result
2021-04-27	Dylan Delgado	NF-PP1	Start=2/7, B1=2000000, B2=146000000
2021-04-08	Ben Delo	CERT	PRP Certification Proof certified good
2021-04-07	Taikelenn	C-PRP	M2300689/5157798512829442223/352813938672938689745889991 : 2A36B2CB6AF0118D PRP proof power = 7 PRP: Verified Proof certified good
2021-04-04	ViliamF	F-PM1	Factor: 352813938672938689745889991 / (P-1, B1=5000000, B2=505000000)
2017-11-22	storm5510	C-PRP	M2300689/5157798512829442223 : 852DE4D80E51448B PRP: Verified (Factored) PRP without proof (not generated)
2017-10-11	Oliver Kruse	C-PRP	M2300689/5157798512829442223 : 852DE4D80E51448B PRP: Verified (Factored) PRP without proof (not generated)
2010-01-08	Dmitry B. Khachaturov	F-ECM	Factor: 5157798512829442223
2009-01-14	Sturle Sunde	NF	no factor from 2^60 to 2^61