26 357 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
43571001292961	14	45.3	old
38595505756424377771921	23	75.0	2010-04-17 14:34:03
159254613840343363837559	24	77.1	2010-04-17 20:33:47
357828110620431005806885553	27	88.2	2009-05-10 17:32:34

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	808 / 4588

Estimated T-Level: 35.9 ⓘ

TF below 2^114 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-21	Oliver Kruse	9C9A129D6104A0FC	4	0	1	3
Verified	2017-10-02	kkmrkkblmbrbk	9C9A129D6104A0FC	4	0	1	3
Verified	2017-12-07	ATH	9C9A129D6104A0FC	4	18168	1	3
Unverified	2020-04-17	Oliver Kruse	0DDB24D98D9FB2__	4	13768	5	3

History

Date	User	Type	Result
2023-04-06	nordi	NF-PM1	B1=5000000000, B2=1516930270635780
2023-03-12	nordi	NF-PM1	B1=5000000000
2020-04-17	Oliver Kruse	C-PRP	M26357/43571001292961/38595505756424377771921/159254613840343363837559/357828110620431005806885553 : 0DDB24D98D9FB2__ PRP without proof (small exponent)
2017-12-07	ATH	C-PRP	M26357/43571001292961/38595505756424377771921/159254613840343363837559/357828110620431005806885553 : 9C9A129D6104A0FC PRP without proof (small exponent)
2017-10-02	kkmrkkblmbrbk	C-PRP	M26357/43571001292961/38595505756424377771921/159254613840343363837559/357828110620431005806885553 : 9C9A129D6104A0FC PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M26357/43571001292961/357828110620431005806885553/38595505756424377771921/159254613840343363837559 : 9C9A129D6104A0FC PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M26357/43571001292961/357828110620431005806885553/38595505756424377771921/159254613840343363837559 : 9C9A129D6104A0FC PRP without proof (not generated)
2016-12-15	kkmrkkblmbrbk	NF-PM1	B1=500000000, B2=10000000000, E=12
2010-04-17	Rob_Dee	F-ECM	Factor: 159254613840343363837559
2010-04-17	Rob_Dee	F-ECM	Factor: 38595505756424377771921
2009-05-10	Matthias Wurtinger	F-ECM	Factor: 357828110620431005806885553