2 201 209 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
37772746441	11	35.1	old
170110767713331478682521	24	77.2	2022-11-06 16:20:28

ECM

Digits	B1	Curves
25	50000	109 / 280

Estimated T-Level: 21.9 ⓘ

TF below 2^68 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-09	Oliver Kruse	06265E5BFF3791D7	1	0	1	3
Verified (Factored)	2017-11-19	kkmrkkblmbrbk	06265E5BFF3791D7	1	933224	1	3
Verified	2022-11-07	LordJulius	2424DBE927268DF9	2	1442622	5	3

History

Date	User	Type	Result
2022-11-07	curtisc	CERT	PRP Certification Proof certified good
2022-11-07	LordJulius	C-PRP	M2201209/37772746441/170110767713331478682521 : 2424DBE927268DF9 PRP proof power = 7 PRP: Verified Proof certified good
2022-11-06	_p95holder_	F-ECM	Factor: 170110767713331478682521 / (ECM curve 1, B1=50000, B2=5000000)
2017-11-19	kkmrkkblmbrbk	C-PRP	M2201209/37772746441 : 06265E5BFF3791D7 PRP: Verified (Factored) PRP without proof (not generated)
2017-10-09	Oliver Kruse	C-PRP	M2201209/37772746441 : 06265E5BFF3791D7 PRP: Verified (Factored) PRP without proof (not generated)
2016-04-06	alpertron	NF-PM1	B1=500000, B2=15000000, E=12