2 009 873 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
48841003251167	14	45.5	old
1252268106852599	16	50.2	2014-05-21 11:28:32
13750745782244329	17	53.6	2014-10-02 11:12:22
6535466538201720383279	22	72.5	2022-06-25 19:18:58

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	117 / 640

Estimated T-Level: 25.9 ⓘ

TF below 2^81 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-05	Oliver Kruse	87DC48FAECDBE6A1	3	0	1	3
Verified (Factored)	2017-10-15	Yaroslav Berezhko	87DC48FAECDBE6A1	3	0	1	3
Verified (Factored)	2017-10-20	Oliver Kruse	87DC48FAECDBE6A1	3	1607080	1	3
Verified	2022-06-27	LordJulius	14A091A739A67366	4	398016	5	3
Verified	2022-06-27	_p95holder_	14A091A739A67366	4	1461095	5	3

History

Date	User	Type	Result
2022-06-27	_p95holder_	C-PRP	M2009873/48841003251167/1252268106852599/13750745782244329/6535466538201720383279 : 14A091A739A67366 PRP: Verified PRP without proof (not generated)
2022-06-27	Kevin Jaget	CERT	PRP Certification Proof certified good
2022-06-27	LordJulius	C-PRP	M2009873/48841003251167/1252268106852599/13750745782244329/6535466538201720383279 : 14A091A739A67366 PRP proof power = 7 PRP: Verified Proof certified good
2022-06-25	_p95holder_	F-ECM	Factor: 6535466538201720383279 / (ECM curve 6, B1=50000, B2=5000000)
2017-10-20	Oliver Kruse	C-PRP	M2009873/48841003251167/1252268106852599/13750745782244329 : 87DC48FAECDBE6A1 PRP: Verified PRP without proof (not generated)
2017-10-15	Yaroslav Berezhko	C-PRP	M2009873/48841003251167/1252268106852599/13750745782244329 : 87DC48FAECDBE6A1 PRP: Verified PRP without proof (not generated)
2017-10-05	Oliver Kruse	C-PRP	M2009873/48841003251167/1252268106852599/13750745782244329 : 87DC48FAECDBE6A1 PRP: Verified PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2014-10-02	TJAOI	F	Factor: 13750745782244329 / TF: 53-54
2014-05-21	TJAOI	F	Factor: 1252268106852599