1 837 741 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
452084287	9	28.8	old
150411026197414012321	21	67.0	2017-12-15 18:39:56

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	133 / 640

Estimated T-Level: 26.0 ⓘ

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)	2017-10-04	Oliver Kruse	C841765DEE1986FE	1	0	1	3
Verified (Factored)	2017-11-06	kkmrkkblmbrbk	C841765DEE1986FE	1	1804530	1	3
Verified	2017-12-20	nokno	C9E0FCDB53BC784B	2	0	1	3
Verified	2017-12-21	kkmrkkblmbrbk	C9E0FCDB53BC784B	2	260027	1	3

History

Date	User	Type	Result
2017-12-21	kkmrkkblmbrbk	C-PRP	M1837741/452084287/150411026197414012321 : C9E0FCDB53BC784B PRP: Verified PRP without proof (not generated)
2017-12-20	nokno	C-PRP	M1837741/452084287/150411026197414012321 : C9E0FCDB53BC784B PRP: Verified PRP without proof (not generated)
2017-12-15	alpertron	F-ECM	Factor: 150411026197414012321 / (ECM curve 1, B1=50000, B2=5000000)
2017-11-06	kkmrkkblmbrbk	C-PRP	M1837741/452084287 : C841765DEE1986FE PRP: Verified PRP without proof (not generated)
2017-10-04	Oliver Kruse	C-PRP	M1837741/452084287 : C841765DEE1986FE PRP: Verified PRP without proof (not generated)
2016-03-16	alpertron	NF-PM1	B1=500000, B2=15000000, E=12