3 250 147 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
14489155327	11	33.8	old
236882405496280398961	21	67.7	2021-05-26 11:03:24

ECM

Digits	B1	Curves
25	50000	3 / 280

Estimated T-Level: 20.1 ⓘ

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

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-11-02	Oliver Kruse	9512CEC7F8E46EA5	1	1364025	5	3
Verified (Factored)	2017-12-13	kkmrkkblmbrbk	9512CEC7F8E46EA5	1	2555256	5	3
Verified	2021-05-28	kutens	9512CEC7F8E46EA5	2	1402568	5	3

History

Date	User	Type	Result
2022-08-17	Joss	NF-PM1	B1=3250147, B2=362702340
2021-12-20	Joss	NF-PM1	B1=3250147, B2=116701200
2021-05-28	whyza	CERT	PRP Certification Proof certified good
2021-05-28	kutens	C-PRP	M3250147/14489155327/236882405496280398961 : 9512CEC7F8E46EA5 PRP proof power = 7 PRP: Verified Proof certified good
2021-05-26	Joss	NF-PM1	B1=3250147
2021-05-26	Joss	F	Factor: 236882405496280398961 / TF: 67-68
2021-01-07	Joss	NF-PM1	B1=325014, B2=3250147, E=6
2021-01-07	Joss	NF-PM1	B1=325014
2020-12-25	Joss	NF-PM1	B1=108338
2017-12-13	kkmrkkblmbrbk	C-PRP	M3250147/14489155327 : 9512CEC7F8E46EA5 PRP: Verified (Factored) PRP without proof (not generated)
2017-11-02	Oliver Kruse	C-PRP	M3250147/14489155327 : 9512CEC7F8E46EA5 PRP: Verified (Factored) PRP without proof (not generated)