7 983 733 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
29598900935384046353	20	64.7	2013-12-22 13:48:26

ECM

Digits	B1	Curves
25	50000	3 / 280

Estimated T-Level: 20.1 ⓘ

TF below 2^62 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)	1999-08-31	Michael Weber	6334CA85964E1CEF	34655
Verified (Factored)	2002-10-07	Robin Tremblay	6334CA85964E1CEF	1023584

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-07-02	_p95holder_	81A32D6070700C5C	1	1652083	5	3
Verified	2019-12-21	arnaud	81A32D6070700C5C	1	4163633	5	3

History

Date	User	Type	Result
2019-12-21	arnaud	C-PRP	M7983733/29598900935384046353 : 81A32D6070700C5C PRP: Verified PRP without proof (not generated)
2018-07-02	_p95holder_	C-PRP	M7983733/29598900935384046353 : 81A32D6070700C5C PRP: Verified PRP without proof (not generated)
2013-12-22	David Campeau	F	Factor: 29598900935384046353 / TF: 64-65
2013-10-02	Nesowa	NF	no factor from 2^63 to 2^64
2012-08-08	Squeeky_Squirrel	NF-PM1	B1=100000, B2=1925000, E=6