1 931 357 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
1077697207	10	30.0	old
2184763120969393	16	51.0	2014-06-12 11:43:49
298801323954294499199	21	68.0	2021-09-02 17:22:26

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	107 / 640

Estimated T-Level: 25.8 ⓘ

TF below 2^81 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-05	Oliver Kruse	7E422F6A38A21332	2	0	1	3
Verified (Factored)	2017-11-15	kkmrkkblmbrbk	7E422F6A38A21332	2	1720719	1	3
Verified	2021-09-04	_p95holder_	A5C6632A0AD5B9D0	3	834009	5	3
Verified	2021-09-08	Oliver Kruse	A5C6632A0AD5B9D0	3	1095128	5	3

History

Date	User	Type	Result
2021-09-08	curtisc	CERT	PRP Certification Proof certified good
2021-09-08	Oliver Kruse	C-PRP	M1931357/1077697207/2184763120969393/298801323954294499199 : A5C6632A0AD5B9D0 PRP proof power = 7 PRP: Verified Proof certified good
2021-09-04	_p95holder_	C-PRP	M1931357/1077697207/2184763120969393/298801323954294499199 : A5C6632A0AD5B9D0 PRP: Verified PRP without proof (not generated)
2021-09-02	_p95holder_	F-ECM	Factor: 298801323954294499199 / (ECM curve 2, B1=50000, B2=5000000)
2017-11-15	kkmrkkblmbrbk	C-PRP	M1931357/1077697207/2184763120969393 : 7E422F6A38A21332 PRP: Verified PRP without proof (not generated)
2017-10-05	Oliver Kruse	C-PRP	M1931357/1077697207/2184763120969393 : 7E422F6A38A21332 PRP: Verified PRP without proof (not generated)
2016-03-16	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2014-06-12	TJAOI	F	Factor: 2184763120969393