2 274 473 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 3 known prime factors. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
34826730577	11	35.0	old
6968471241103	13	42.7	2008-07-14 20:22:37
656018776577705937233	21	69.2	2022-07-27 22:52:36

ECM

Digits	B1	Curves
25	50000	232 / 280

Estimated T-Level: 24.1 ⓘ

TF below 2^75 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-11	Oliver Kruse	FE7BF816F3061A7C	2	0	1	3
Verified (Factored)	2017-11-22	kkmrkkblmbrbk	FE7BF816F3061A7C	2	1865626	1	3
Verified	2022-07-28	LordJulius	B35DD5DD2AD6BAFC	3	1503256	5	3
Verified	2022-07-30	_p95holder_	B35DD5DD2AD6BAFC	3	1256331	5	3

History

Date	User	Type	Result
2022-07-30	_p95holder_	C-PRP	M2274473/34826730577/6968471241103/656018776577705937233 : B35DD5DD2AD6BAFC PRP: Verified PRP without proof (not generated)
2022-07-28	curtisc	CERT	PRP Certification Proof certified good
2022-07-28	LordJulius	C-PRP	M2274473/34826730577/6968471241103/656018776577705937233 : B35DD5DD2AD6BAFC PRP proof power = 7 PRP: Verified Proof certified good
2022-07-27	_p95holder_	F-ECM	Factor: 656018776577705937233 / (ECM curve 2, B1=50000, B2=5000000)
2017-11-22	kkmrkkblmbrbk	C-PRP	M2274473/34826730577/6968471241103 : FE7BF816F3061A7C PRP: Verified PRP without proof (not generated)
2017-10-11	Oliver Kruse	C-PRP	M2274473/34826730577/6968471241103 : FE7BF816F3061A7C PRP: Verified PRP without proof (not generated)
2016-05-01	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2008-07-14	George Woltman	F-ECM	Factor: 6968471241103