14 724 539 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
6071982909154473029903	22	72.4	2016-11-03 12:09:04

ECM

Digits	B1	Curves
25	50000	14 / 280

Estimated T-Level: 20.3 ⓘ

TF below 2^62 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)	2003-09-21	Chris Halsall	2DF8A269EBD0E314	4762114
Verified (Factored)	2005-12-24	Ars Technica Team Prime Rib	2DF8A269EBD0E314	13150393

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2023-05-02	riccardo uberti	3281E03E5BB56DCE	1	301706	5	3

History

Date	User	Type	Result
2023-05-07	riccardo uberti	NF-PM1	B1=1500000, B2=100597770
2023-05-03	curtisc	CERT	PRP Certification Proof certified good
2023-05-02	riccardo uberti	C-PRP	M14724539/6071982909154473029903 : 3281E03E5BB56DCE PRP proof power = 8 PRP: Verified Proof certified good
2023-03-11	nordi	NF-PM1	B1=300000, B2=213802050
2023-01-28	nordi	NF-PM1	B1=300000
2016-11-03	bam	F-ECM	Factor: 6071982909154473029903 / (ECM curve 1, B1=50000, B2=5000000)
2015-10-10	Nesowa	NF	no factor from 2^66 to 2^67
2014-09-05	Nesowa	NF	no factor from 2^65 to 2^66