7 276 177 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
2993899611831154471899367	25	81.3	2012-11-15 12:06:33

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)		Brian May	0E9B7ADF88976D58	6632748
Verified (Factored)	2002-03-24	Pedæ fra Froland	0E9B7ADF88976D58	7224259

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-02-25	Oliver Kruse	CAFF1E7D9817DCAC	1	3274713	5	3
Verified	2019-04-25	kkmrkkblmbrbk	CAFF1E7D9817DCAC	1	4411725	5	3

History

Date	User	Type	Result
2019-04-25	kkmrkkblmbrbk	C-PRP	M7276177/2993899611831154471899367 : CAFF1E7D9817DCAC PRP: Verified PRP without proof (not generated)
2018-02-25	Oliver Kruse	C-PRP	M7276177/2993899611831154471899367 : CAFF1E7D9817DCAC PRP: Verified PRP without proof (not generated)
2012-11-15	ATH	F-ECM	Factor: 2993899611831154471899367
2012-08-01	Nesowa	NF-PM1	B1=90000, B2=1620000, E=6