2 118 173 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
352578368543	12	38.4	old
371029447346359	15	48.4	2014-04-03 10:44:10
2772394955054370075401399	25	81.2	2022-08-30 05:25:04

ECM

Digits	B1	Curves
25	50000	103 / 280

Estimated T-Level: 21.8 ⓘ

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)	2017-10-07	Oliver Kruse	C06823151FC4F9DD	2	0	1	3
Verified (Factored)	2017-11-17	kkmrkkblmbrbk	C06823151FC4F9DD	2	276667	1	3
Verified	2022-08-31	LordJulius	6D7FFFAB22D538B4	3	737883	5	3
Verified	2022-09-02	_p95holder_	6D7FFFAB22D538B4	3	315411	5	3

History

Date	User	Type	Result
2022-09-02	_p95holder_	C-PRP	M2118173/352578368543/371029447346359/2772394955054370075401399 : 6D7FFFAB22D538B4 PRP: Verified PRP without proof (not generated)
2022-08-31	Jorgens	CERT	PRP Certification Proof certified good
2022-08-31	LordJulius	C-PRP	M2118173/352578368543/371029447346359/2772394955054370075401399 : 6D7FFFAB22D538B4 PRP proof power = 7 PRP: Verified Proof certified good
2022-08-30	_p95holder_	F-ECM	Factor: 2772394955054370075401399 / (ECM curve 5, B1=50000, B2=5000000)
2017-11-17	kkmrkkblmbrbk	C-PRP	M2118173/352578368543/371029447346359 : C06823151FC4F9DD PRP: Verified PRP without proof (not generated)
2017-10-07	Oliver Kruse	C-PRP	M2118173/352578368543/371029447346359 : C06823151FC4F9DD PRP: Verified PRP without proof (not generated)
2016-03-27	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2014-04-03	TJAOI	F	Factor: 371029447346359