2 096 377 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
251565241	9	27.9	old
375922323641	12	38.5	2008-07-15 07:50:13
25634347016857	14	44.5	2008-08-26 20:20:40
307803705976009	15	48.1	2008-08-26 20:20:40
4588792195471197700414991	25	81.9	2022-06-03 06:22:45

ECM

Digits	B1	Curves
25	50000	124 / 280

Estimated T-Level: 22.2 ⓘ

TF below 2^69 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-06	Oliver Kruse	10382DE972A61740	1	0	1	3
Verified (Factored)	2017-10-17	Oliver Kruse	15850DC63C302BE8	4	1181327	5	3
Verified (Factored)	2017-11-17	kkmrkkblmbrbk	15850DC63C302BE8	4	1228367	5	3
Verified	2022-06-21	some-students	15850DC63C302BE8	5	145423	5	3

History

Date	User	Type	Result
2022-06-21	69-bit_color_depth	CERT	PRP Certification Proof certified good
2022-06-21	some-students	C-PRP	M2096377/251565241/375922323641/25634347016857/307803705976009/4588792195471197700414991 : 15850DC63C302BE8 PRP proof power = 7 PRP: Verified Proof certified good
2022-06-03	debrouxl	F-ECM	Factor: 4588792195471197700414991 / (ECM curve 3, B1=50000, B2=6500000, Sigma=5284231406924173)
2017-11-17	kkmrkkblmbrbk	C-PRP	M2096377/251565241/375922323641/25634347016857/307803705976009 : 15850DC63C302BE8 PRP: Verified (Factored) PRP without proof (not generated)
2017-10-17	Oliver Kruse	C-PRP	M2096377/251565241/375922323641/25634347016857/307803705976009 : 15850DC63C302BE8 PRP: Verified (Factored) PRP without proof (not generated)
2017-10-06	Oliver Kruse	C-PRP	M2096377/251565241/375922323641/25634347016857/307803705976009 : 10382DE972A61740 PRP: Verified (Factored) PRP without proof (not generated)
2016-03-16	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2008-08-26	-Anonymous-	F	Factor: 307803705976009
2008-08-26	-Anonymous-	F	Factor: 25634347016857
2008-07-15	J Feitsma	F	Factor: 375922323641