2 231 371 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
160658713	9	27.3	old
30253371963648330209	20	64.7	2017-12-27 15:33:34

ECM

Digits	B1	Curves
25	50000	115 / 280

Estimated T-Level: 22.1 ⓘ

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)	2017-10-10	Oliver Kruse	39923F74BF4BF4A5	1	0	1	3
Verified (Factored)	2017-11-20	kkmrkkblmbrbk	39923F74BF4BF4A5	1	71108	1	3
Verified	2017-12-29	Oliver Kruse	1D71F3A08F81E17F	2	1182470	5	3
Verified	2017-12-30	kkmrkkblmbrbk	1D71F3A08F81E17F	2	1225514	5	3

History

Date	User	Type	Result
2021-06-30	Dylan Delgado	NF-PM1	B1=1000000, B2=106000000
2017-12-30	kkmrkkblmbrbk	C-PRP	M2231371/160658713/30253371963648330209 : 1D71F3A08F81E17F PRP: Verified PRP without proof (not generated)
2017-12-29	Oliver Kruse	C-PRP	M2231371/160658713/30253371963648330209 : 1D71F3A08F81E17F PRP: Verified PRP without proof (not generated)
2017-12-27	TJAOI	F	Factor: 30253371963648330209 / TF: 64-65
2017-11-20	kkmrkkblmbrbk	C-PRP	M2231371/160658713 : 39923F74BF4BF4A5 PRP: Verified PRP without proof (not generated)
2017-10-10	Oliver Kruse	C-PRP	M2231371/160658713 : 39923F74BF4BF4A5 PRP: Verified PRP without proof (not generated)
2016-04-12	alpertron	NF-PM1	B1=500000, B2=15000000, E=12