178 601 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
63477024340481	14	45.9	old
152581198977241	15	47.1	2008-08-26 20:12:49
651872338942251988881044281	27	89.1	2019-11-24 03:51:33
17777750897131578815279406905959	32	103.8	2017-06-16 12:31:26

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	243 / 1566

Estimated T-Level: 30.8 ⓘ

TF below 2^97 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-22	Oliver Kruse	0C03D853A31CB5B4	3	0	1	3
Verified (Factored)	2017-10-12	kkmrkkblmbrbk	0C03D853A31CB5B4	3	97562	1	3
Verified	2019-11-24	Niels_Mache_Nextcloud	9AED0A912B080F8A	4	31481	5	3
Verified	2019-11-25	marssystems	9AED0A912B080F8A	4	14755	5	3

History

Date	User	Type	Result
2019-11-25	marssystems	C-PRP	M178601/63477024340481/152581198977241/17777750897131578815279406905959/651872338942251988881044281 : 9AED0A912B080F8A PRP: Verified PRP without proof (small exponent)
2019-11-24	Niels_Mache_Nextcloud	C-PRP	M178601/63477024340481/152581198977241/17777750897131578815279406905959/651872338942251988881044281 : 9AED0A912B080F8A PRP: Verified PRP without proof (small exponent)
2019-11-24	ATH	F-ECM	Factor: 651872338942251988881044281 / (ECM curve 1, B1=250000, B2=25000000, Sigma=4882310147053351)
2017-10-12	kkmrkkblmbrbk	C-PRP	M178601/63477024340481/152581198977241/17777750897131578815279406905959 : 0C03D853A31CB5B4 PRP: Verified PRP without proof (small exponent)
2017-09-22	Oliver Kruse	C-PRP	M178601/known_factors : 0C03D853A31CB5B4 PRP without proof (not generated)
2017-06-16	TJAOI	F-ECM	Factor: 17777750897131578815279406905959 / (ECM curve 44, B1=250000, B2=25000000)
2017-06-01	kkmrkkblmbrbk	NF-PM1	B1=100000000, B2=2000000000, E=12
2008-08-26	-Anonymous-	F	Factor: 152581198977241