2 299 327 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
298912511	9	28.2	old
1425343609993	13	40.4	2008-07-14 20:22:50
184640818166380732955598081545286839	36	117.2	2018-01-31 03:06:39

ECM

Digits	B1	Curves
25	50000	82 / 280

Estimated T-Level: 21.5 ⓘ

TF below 2^66 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	Oliver Kruse	81CA128833605679	2	0	1	3
Verified (Factored)	2017-11-22	kkmrkkblmbrbk	81CA128833605679	2	1292680	1	3
Verified	2018-02-01	trebor	9A816BEF4857963F	3	2111344	5	3
Verified	2018-02-02	Oliver Kruse	9A816BEF4857963F	3	848963	5	3

History

Date	User	Type	Result
2018-02-02	Oliver Kruse	C-PRP	M2299327/298912511/1425343609993/184640818166380732955598081545286839 : 9A816BEF4857963F PRP: Verified PRP without proof (not generated)
2018-02-01	trebor	C-PRP	M2299327/298912511/1425343609993/184640818166380732955598081545286839 : 9A816BEF4857963F PRP: Verified PRP without proof (not generated)
2018-01-31	ATH	F-ECM	Factor: 184640818166380732955598081545286839 / (ECM curve 1, B1=50000, B2=5000000)
2017-11-22	kkmrkkblmbrbk	C-PRP	M2299327/298912511/1425343609993 : 81CA128833605679 PRP: Verified PRP without proof (not generated)
2017-10-11	Oliver Kruse	C-PRP	M2299327/298912511/1425343609993 : 81CA128833605679 PRP: Verified PRP without proof (not generated)
2016-05-01	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2008-07-14	George Woltman	F-ECM	Factor: 1425343609993