2 192 089 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
48225959	8	25.5	old
15910211138704591	17	53.8	2014-10-15 11:05:54
130918649279290100914624777	27	86.8	2023-01-20 10:33:22

ECM

Digits	B1	Curves
25	50000	94 / 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	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-11	kkmrkkblmbrbk	0DE39788C9F67474	2	0	1	3
Verified (Factored)	2017-10-25	Oliver Kruse	0DE39788C9F67474	2	158681	1	3
Verified	2023-01-22	_p95holder_	749BAA9E7FAFB169	3	1480305	5	3
Verified	2023-01-25	ATH	749BAA9E7FAFB169	3	1517208	5	3

History

Date	User	Type	Result
2023-01-25	Richard Thomas	CERT	PRP Certification Proof certified good
2023-01-25	ATH	C-PRP	M2192089/48225959/15910211138704591/130918649279290100914624777 : 749BAA9E7FAFB169 PRP proof power = 7 PRP: Verified Proof certified good
2023-01-22	_p95holder_	C-PRP	M2192089/48225959/15910211138704591/130918649279290100914624777 : 749BAA9E7FAFB169 PRP: Verified PRP without proof (not generated)
2023-01-20	_p95holder_	F-ECM	Factor: 130918649279290100914624777 / (ECM curve 7, B1=50000, B2=5000000)
2017-10-25	Oliver Kruse	C-PRP	M2192089/48225959/15910211138704591 : 0DE39788C9F67474 PRP: Verified PRP without proof (not generated)
2017-10-11	kkmrkkblmbrbk	C-PRP	M2192089/48225959/15910211138704591 : 0DE39788C9F67474 PRP: Verified PRP without proof (not generated)
2016-04-02	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2014-10-15	TJAOI	F	Factor: 15910211138704591 / TF: 53-54