2 633 629 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Details

Composite, with 1 known prime factor. Cofactor is composite.

Trial Factored to 2⁶⁸

TF target 2⁶³

Factored

Factor	Digits	Bits	Date
1288474118408903	16	50.2	old

ECM

Digits	B1	Curves
25	50000	112 / 280

Estimated T-Level: 22.0 ⓘ

TF below 2^68 is very unlikely to find new factors due to ECM effort.

Status	Proof	Date	User	Residue	Shift	Type	Base
Factored	Certified Good Power=7	2026-10-05	Jason Lynch	C3AADF1DDC0EF701	553622	1	3

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2017-10-17	Oliver Kruse	C3AADF1DDC0EF701	1	1157884	5	3
Verified	PRP without proof (not generated)	2017-12-03	nokno	BEC58BF6DE1E8875	1	0	1	3
Verified	PRP without proof (not generated)	2017-12-03	kkmrkkblmbrbk	C3AADF1DDC0EF701	1	1032526	5	3
Verified	PRP without proof (not generated)	2017-12-06	kkmrkkblmbrbk	BEC58BF6DE1E8875	1	1499543	1	3

History

Date	User	Type	Result
2026-10-05	Khurshid Suyunov	CERT	Proof certified good
2026-10-05	Jason Lynch	C-PRP	C3AADF1DDC0EF701 Proof Certified Good Proof Power: 7
2019-07-04	alpertron	NF-PM1	B1=2000000, B2=60000000, E=12
2017-12-06	kkmrkkblmbrbk	C-PRP	M2633629/1288474118408903 : BEC58BF6DE1E8875
2017-12-03	kkmrkkblmbrbk	C-PRP	M2633629/1288474118408903 : C3AADF1DDC0EF701
2017-12-03	nokno	C-PRP	M2633629/1288474118408903 : BEC58BF6DE1E8875
2017-10-17	Oliver Kruse	C-PRP	M2633629/1288474118408903 : C3AADF1DDC0EF701