10 883 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
21767	5	14.4	old
7574569	7	22.9	2008-08-26 19:58:33
22123941871	11	34.4	2008-08-26 19:58:33

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	4588 / 4588
45	11000000	1525 / 9201

Estimated T-Level: 40.8 ⓘ

TF below 2^131 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-21	Oliver Kruse	37AB96FB63F90CEF	3	0	1	3
Verified	2017-10-12	kkmrkkblmbrbk	37AB96FB63F90CEF	3	8862	1	3
Unverified	2020-04-17	Oliver Kruse	3A5E9BEB0861D1__	3	8362	5	3
Verified (Factored)	2022-05-12	Jorge Coveiro	3A5E9BEB0861D178	1	4508	5	3

History

Date	User	Type	Result
2022-12-29	-Anonymous-	NF-PM1	B1=100000000000, B2=122192573512709700
2022-05-12	Jorge Coveiro	C-PRP	M10883/21767 : 3A5E9BEB0861D178 PRP: Verified (Factored) PRP without proof (small exponent)
2020-04-17	Oliver Kruse	C-PRP	M10883/21767/7574569/22123941871 : 3A5E9BEB0861D178 PRP: Verified (Factored) PRP without proof (small exponent)
2017-10-12	kkmrkkblmbrbk	C-PRP	M10883/21767/7574569/22123941871 : 37AB96FB63F90CEF PRP: Verified (Factored) PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M10883/21767/7574569/22123941871 : 37AB96FB63F90CEF PRP: Verified (Factored) PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M10883/21767/7574569/22123941871 : 37AB96FB63F90CEF PRP without proof (not generated)
2016-09-07	kkmrkkblmbrbk	NF-PM1	B1=100000000, B2=10000000000, E=12
2008-08-26	-Anonymous-	F	Factor: 22123941871
2008-08-26	-Anonymous-	F	Factor: 7574569