1 319 333 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
3372729687871	13	41.6	old
21897695434151	14	44.3	2014-01-10 14:39:49
93604029614844469207122527	26	86.3	2018-06-01 11:34:35

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	105 / 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)	2017-09-30	Oliver Kruse	2C64F32523F5FC0C	2	0	1	3
Verified (Factored)	2017-10-23	kkmrkkblmbrbk	2C64F32523F5FC0C	2	1206773	1	3
Verified	2018-06-03	ANONYMOUS	7F6805B025CD9656	3	1268086	5	3
Verified	2018-06-07	_p95holder_	7F6805B025CD9656	3	1004595	5	3

History

Date	User	Type	Result
2018-06-07	_p95holder_	C-PRP	M1319333/3372729687871/21897695434151/93604029614844469207122527 : 7F6805B025CD9656 PRP: Verified PRP without proof (not generated)
2018-06-03	ANONYMOUS	C-PRP	M1319333/3372729687871/21897695434151/93604029614844469207122527 : 7F6805B025CD9656 PRP: Verified PRP without proof (not generated)
2018-06-01	TJAOI	F-ECM	Factor: 93604029614844469207122527 / (ECM curve 117, B1=50000, B2=5000000)
2017-10-23	kkmrkkblmbrbk	C-PRP	M1319333/3372729687871/21897695434151 : 2C64F32523F5FC0C PRP: Verified PRP without proof (not generated)
2017-09-30	Oliver Kruse	C-PRP	M1319333/3372729687871/21897695434151 : 2C64F32523F5FC0C PRP: Verified PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2014-01-10	TJAOI	F	Factor: 21897695434151