210 401 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
28753821463	11	34.7	old
328262847221456593	18	58.2	2014-07-28 14:54:41
30894315217664739376727	23	74.7	2015-05-29 10:14:28
454556433155608737183713209	27	88.6	2021-08-08 05:35:05

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	400 / 1566

Estimated T-Level: 31.3 ⓘ

TF below 2^99 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	D011CD19807608E6	3	0	1	3
Verified (Factored)	2017-10-12	kkmrkkblmbrbk	D011CD19807608E6	3	189882	1	3
Verified (Factored)	2020-04-17	Oliver Kruse	9B6797E5EE292727	3	180544	5	3
Verified	2021-08-08	SRJ2877	9B6797E5EE292727	4	47679	5	3
Verified	2021-08-08	JackBlock	9B6797E5EE292727	4	31154	5	3
Verified	2023-08-03	USAFSS	9B6797E5EE292727	4	113960	5	3

History

Date	User	Type	Result
2023-08-03	metaphysis	CERT	PRP Certification Proof certified good
2023-08-03	USAFSS	C-PRP	M210401/28753821463/328262847221456593/30894315217664739376727/454556433155608737183713209 : 9B6797E5EE292727 PRP proof power = 5 PRP: Verified Proof certified good
2022-02-17	Oliver Kruse	NF-PM1	B1=30000000, B2=10070832992220
2021-11-28	fbaur	NF-PP1	Start=6/5, B1=150000000, B2=14400000000
2021-11-27	fbaur	NF-PP1	Start=2/7, B1=150000000, B2=14400000000
2021-08-08	Chun sung soo	CERT	PRP Certification Proof certified good
2021-08-08	JackBlock	C-PRP	M210401/28753821463/328262847221456593/30894315217664739376727/454556433155608737183713209 : 9B6797E5EE292727 PRP proof power = 5 PRP: Verified Proof certified good
2021-08-08	Massimo Cappelli (ik5pwa)	CERT	PRP Certification Proof certified good
2021-08-08	SRJ2877	C-PRP	M210401/28753821463/328262847221456593/30894315217664739376727/454556433155608737183713209 : 9B6797E5EE292727 PRP proof power = 5 PRP: Verified Proof certified good
2021-08-08	_p95holder_	F-ECM	Factor: 454556433155608737183713209 / (ECM curve 6, B1=250000, B2=25000000)
2021-05-17	Oliver Kruse	NF-PM1	B1=30000000, B2=3000000000
2020-04-17	Oliver Kruse	C-PRP	M210401/28753821463/328262847221456593/30894315217664739376727 : 9B6797E5EE292727 PRP: Verified (Factored) PRP without proof (small exponent)
2017-10-12	kkmrkkblmbrbk	C-PRP	M210401/28753821463/328262847221456593/30894315217664739376727 : D011CD19807608E6 PRP: Verified (Factored) PRP without proof (small exponent)
2017-09-22	Oliver Kruse	C-PRP	M210401/known_factors : D011CD19807608E6 PRP without proof (not generated)
2015-05-29	TJAOI	F-ECM	Factor: 30894315217664739376727 / (ECM curve 67, B1=50000, B2=5000000)
2014-07-28	TJAOI	F-ECM	Factor: 328262847221456593