5 926 049 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
4873295745185374760145847	25	82.0	2011-06-12 21:44:04

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
Bad	1999-01-17	Stephen Scott	9E264690EF8267F7	0
Verified (Factored)	2001-02-25	Baake	B9B17E2AEDA585D9	3974252
Verified (Factored)	2001-06-23	Robin Tremblay	B9B17E2AEDA585D9	792404

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-20	kkmrkkblmbrbk	77B74B09C9AA6FBA	1	0	1	3
Verified	2018-09-12	rucio	77B74B09C9AA6FBA	1	314294	1	3

History

Date	User	Type	Result
2018-09-12	rucio	C-PRP	M5926049/4873295745185374760145847 : 77B74B09C9AA6FBA PRP: Verified PRP without proof (not generated)
2017-09-20	kkmrkkblmbrbk	C-PRP	M5926049/4873295745185374760145847 : 77B74B09C9AA6FBA PRP: Verified PRP without proof (not generated)
2011-06-12	JimBa	F-ECM	Factor: 4873295745185374760145847
2011-05-04	USAFSS	NF-PM1	B1=70000, B2=1120000, E=6