211 597 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
5078329	7	22.3	old
279308041	9	28.1	2008-07-21 09:13:59
10080803665163780220858494239913	32	103.0	2021-09-04 02:29:45

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	604 / 640

Estimated T-Level: 29.7 ⓘ

TF below 2^94 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-22	Oliver Kruse	EC6B482560888668	2	0	1	3
Verified (Factored)	2017-10-12	kkmrkkblmbrbk	EC6B482560888668	2	107911	1	3
Verified (Factored)	2020-04-17	Oliver Kruse	CAD7F485968024EE	2	85859	5	3
Verified	2021-09-04	mikr	CAD7F485968024EE	3	131367	5	3
Verified	2021-09-04	JackBlock	CAD7F485968024EE	3	43524	5	3
Verified	2023-08-03	USAFSS	CAD7F485968024EE	3	6647	5	3

History

Date	User	Type	Result
2023-08-03	curtisc	CERT	PRP Certification Proof certified good
2023-08-03	USAFSS	C-PRP	M211597/5078329/279308041/10080803665163780220858494239913 : CAD7F485968024EE PRP proof power = 5 PRP: Verified Proof certified good
2022-02-19	Oliver Kruse	NF-PM1	B1=30000000, B2=10070832992220
2021-09-04	curtisc	CERT	PRP Certification Proof certified good
2021-09-04	curtisc	CERT	PRP Certification Proof certified good
2021-09-04	JackBlock	C-PRP	M211597/5078329/279308041/10080803665163780220858494239913 : CAD7F485968024EE PRP proof power = 5 PRP: Verified Proof certified good
2021-09-04	mikr	C-PRP	M211597/5078329/279308041/10080803665163780220858494239913 : CAD7F485968024EE PRP proof power = 5 PRP: Verified Proof certified good
2021-09-04	_p95holder_	F-ECM	Factor: 10080803665163780220858494239913 / (ECM curve 3, B1=250000, B2=25000000)
2021-05-19	Oliver Kruse	NF-PM1	B1=30000000, B2=3000000000
2020-04-17	Oliver Kruse	C-PRP	M211597/5078329/279308041 : CAD7F485968024EE PRP: Verified (Factored) PRP without proof (small exponent)
2017-10-12	kkmrkkblmbrbk	C-PRP	M211597/5078329/279308041 : EC6B482560888668 PRP: Verified (Factored) PRP without proof (small exponent)
2017-09-22	Oliver Kruse	C-PRP	M211597/5078329/279308041 : EC6B482560888668 PRP: Verified (Factored) PRP without proof (not generated)
2017-09-22	Oliver Kruse	C-PRP	M211597/5078329/279308041 : EC6B482560888668 PRP without proof (not generated)
2008-07-21	J Feitsma	F	Factor: 279308041