ranksbree9xkenzig4 ranksbree9xkenzig4
  • 11-11-2016
  • Mathematics
contestada

How do I determine 8^402 mod 5?

Respuesta :

pkmnmushy
pkmnmushy pkmnmushy
  • 15-11-2016
It would be a great idea to narrowing it down to (2^3)^134 mod 5. now it is easier cause   8 = 3 (mod 5), let's compute 3^402 (mod 5). 
3^4 = 81 = 1 (mod 5). 
Therefore, 3^402 = (3^4)^100 * 2^2 = 1^100 * 4 = 4 (mod 5). 
Answer Link

Otras preguntas

Find the slope of the line that passes through the points (2, -5) and (7, 1)
Why are ionic compounds good conductors of electricity.
Brad reads his favorite book for 1 1/4 hours each day. If he has read the book for 22 1/2 hours so far, how many days has he read it? Show how you know.
A. How has the political system changed in Louisiana?​
I need help with the iready reading diagnostic anyone
A blue lab cart is traveling west on a track when it collides with and sticks to a red lab cart traveling east. The magnitude of the momentum of the blue cart b
How long does it take for the entire pattern of moon phases to be completed?.
How was the government constructed under the United States Constitution?
Which of the following should not be part of the informed consent form.
A remote control car with a mass of 2.45kg generates a thrust force of 31.8N. The car experiences a frictional force due to a coefficient of friction of 0.24. C