5 845 339 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
3902885453491938246121	22	71.7	2011-05-17 21:50:06

ECM

Digits	B1	Curves
25	50000	1 / 280

Estimated T-Level: 20.0 ⓘ

TF below 2^61 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)	1998-10-04	INTERSHOP Communications	E868614D8D2177E7	0
Verified (Factored)	2000-10-22	Thomas Traber	E868614D8D2177E7	33747

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-20	kkmrkkblmbrbk	BB66599D07DC71B6	1	0	1	3
Verified	2018-08-26	arnaud	BB66599D07DC71B6	1	1347299	1	3

History

Date	User	Type	Result
2023-05-12	This -Anonymous-	NF-PM1	B1=100000, B2=2000000, E=6
2018-08-26	arnaud	C-PRP	M5845339/3902885453491938246121 : BB66599D07DC71B6 PRP: Verified PRP without proof (not generated)
2017-09-20	kkmrkkblmbrbk	C-PRP	M5845339/3902885453491938246121 : BB66599D07DC71B6 PRP: Verified PRP without proof (not generated)
2011-05-17	James Heinrich	F-ECM	Factor: 3902885453491938246121
2009-03-24	GrunwalderGIMP	NF	no factor from 2^62 to 2^63