2 633 429 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 2 known prime factors. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
32155526824146214393	20	64.8	2013-10-22 10:24:04
159957209706837900743	21	67.1	2021-10-01 08:37:49

ECM

Digits	B1	Curves
25	50000	96 / 280

Estimated T-Level: 21.7 ⓘ

TF below 2^67 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Lars Albertsson	57BBA61B07706AE8	0
Verified (Factored)	1999-06-26	Alastair Knox	57BBA61B07706AE8	1771096

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-17	Oliver Kruse	DD6A1B804601A05E	1	1182217	5	3
Verified (Factored)	2017-12-03	trebor	DD6A1B804601A05E	1	2447795	5	3
Verified	2021-10-02	SRJ2877	DD6A1B804601A05E	2	1910688	5	3

History

Date	User	Type	Result
2022-03-11	LordJulius	NF	no factor from 2^66 to 2^67
2022-03-11	LordJulius	NF	no factor from 2^65 to 2^66
2022-03-11	LordJulius	NF	no factor from 2^1 to 2^60
2021-10-03	curtisc	CERT	PRP Certification Proof certified good
2021-10-02	SRJ2877	C-PRP	M2633429/32155526824146214393/159957209706837900743 : DD6A1B804601A05E PRP proof power = 7 PRP: Verified Proof certified good
2021-10-01	TJAOI	F	Factor: 159957209706837900743 / TF: 67-68
2019-07-04	alpertron	NF-PM1	B1=2000000, B2=60000000, E=12
2017-12-03	trebor	C-PRP	M2633429/32155526824146214393 : DD6A1B804601A05E PRP: Verified (Factored) PRP without proof (not generated)
2017-10-17	Oliver Kruse	C-PRP	M2633429/32155526824146214393 : DD6A1B804601A05E PRP: Verified (Factored) PRP without proof (not generated)
2013-10-22	David Campeau	F	Factor: 32155526824146214393 / TF: 64-65
2012-06-08	lycorn	NF	no factor from 2^61 to 2^64
2011-01-18	James Heinrich	NF-PM1	B1=180000, B2=4275000, E=6
2009-06-20	USAFSS	NF-PM1	B1=30000, B2=420000
2009-01-27	Sturle Sunde	NF	no factor from 2^60 to 2^61