4 783 187 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
315690343	9	28.2	old
1635400334423	13	40.6	2008-09-08 00:13:10
179265899233002562433	21	67.3	2019-05-21 07:40:30

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)	2017-09-20	kkmrkkblmbrbk	4EC5DB6CECBA7506	2	0	1	3
Verified (Factored)	2018-03-21	kracker	4EC5DB6CECBA7506	2	2116715	1	3
Verified	2019-05-21	Niels_Mache_Nextcloud	C76ED0E94D77C78F	3	107352	5	3
Verified	2019-05-22	kkmrkkblmbrbk	C76ED0E94D77C78F	3	767394	5	3

History

Date	User	Type	Result
2023-10-17	USAFSS	NF-PM1	B1=240000, B2=91991760
2019-05-22	kkmrkkblmbrbk	C-PRP	M4783187/315690343/1635400334423/179265899233002562433 : C76ED0E94D77C78F PRP: Verified PRP without proof (not generated)
2019-05-21	Niels_Mache_Nextcloud	C-PRP	M4783187/315690343/1635400334423/179265899233002562433 : C76ED0E94D77C78F PRP: Verified PRP without proof (not generated)
2019-05-21	MarkS	F-ECM	Factor: 179265899233002562433 / (ECM curve 3, B1=50000, B2=5000000)
2018-03-21	kracker	C-PRP	M4783187/315690343/1635400334423 : 4EC5DB6CECBA7506 PRP: Verified PRP without proof (not generated)
2017-09-20	kkmrkkblmbrbk	C-PRP	M4783187/1635400334423/315690343 : 4EC5DB6CECBA7506 PRP: Verified PRP without proof (not generated)
2008-09-08	Will Edgington	F	Factor: 1635400334423