2 235 067 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
51473535390177885642475537	26	85.4	2013-06-24 06:50:29

ECM

Digits	B1	Curves
25	50000	85 / 280

Estimated T-Level: 21.5 ⓘ

TF below 2^66 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Ed Knapton	3CD79DF407593D06	0
Verified (Factored)	1999-03-15	Eric Leblanc	3CD79DF407593D06	349355

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-10	Oliver Kruse	9C7011A677E5796E	1	0	1	3
Verified	2017-11-20	kkmrkkblmbrbk	9C7011A677E5796E	1	1316792	1	3

History

Date	User	Type	Result
2022-03-09	LordJulius	NF	no factor from 2^1 to 2^60
2017-11-20	kkmrkkblmbrbk	C-PRP	M2235067/51473535390177885642475537 : 9C7011A677E5796E PRP: Verified PRP without proof (not generated)
2017-10-10	Oliver Kruse	C-PRP	M2235067/51473535390177885642475537 : 9C7011A677E5796E PRP: Verified PRP without proof (not generated)
2016-04-17	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2013-06-24	Xyzzy	F-ECM	Factor: 51473535390177885642475537
2012-04-20	Sebastian Hornbostel	NF	no factor from 2^61 to 2^62
2011-01-13	Oscar Östlin	NF-PM1	B1=85000, B2=1615000, E=6
2010-10-30	Oscar Östlin	NF-PM1	B1=75011
2009-01-11	Sturle Sunde	NF	no factor from 2^60 to 2^61