2 051 327 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
1567788199561	13	40.5	old
2772470953748096873121383	25	81.2	2024-04-02 09:51:23
3945482805541148598121033	25	81.7	2022-03-08 00:25:02

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	157 / 640

Estimated T-Level: 26.2 ⓘ

TF below 2^82 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-06	Oliver Kruse	269A7C23F47FA614	1	0	1	3
Verified (Factored)	2017-11-15	kkmrkkblmbrbk	269A7C23F47FA614	1	1589065	1	3
Verified (Factored)	2022-03-08	LordJulius	71A1D92CEC86E090	2	358235	5	3
Verified (Factored)	2022-03-10	_p95holder_	71A1D92CEC86E090	2	29398	5	3
Verified	2024-04-02	Naegi Makoto	71A1D92CEC86E090	3	712672	5	3

History

Date	User	Type	Result
2024-04-02	BeanflowerFlight	CERT	PRP Certification Proof certified good
2024-04-02	Naegi Makoto	C-PRP	M2051327/1567788199561/2772470953748096873121383/3945482805541148598121033 : 71A1D92CEC86E090 PRP proof power = 7 PRP: Verified Proof certified good
2024-04-02	TJAOI	F-ECM	Factor: 2772470953748096873121383 / (ECM curve 46, B1=250000, B2=201059595, Sigma=3940903473543690)
2022-03-10	_p95holder_	C-PRP	M2051327/1567788199561/3945482805541148598121033 : 71A1D92CEC86E090 PRP: Verified (Factored) PRP without proof (not generated)
2022-03-08	b3g	CERT	PRP Certification Proof certified good
2022-03-08	LordJulius	C-PRP	M2051327/1567788199561/3945482805541148598121033 : 71A1D92CEC86E090 PRP proof power = 7 PRP: Verified (Factored) Proof certified good
2022-03-08	_p95holder_	F-ECM	Factor: 3945482805541148598121033 / (ECM curve 7, B1=50000, B2=5000000)
2017-11-15	kkmrkkblmbrbk	C-PRP	M2051327/1567788199561 : 269A7C23F47FA614 PRP: Verified (Factored) PRP without proof (not generated)
2017-10-06	Oliver Kruse	C-PRP	M2051327/1567788199561 : 269A7C23F47FA614 PRP: Verified (Factored) PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=500000, B2=15000000, E=12