Is 777 a Prime Number?

To determine whether the number 777 is a prime number, it is necessary to check if it has any divisors besides 1 and itself. This involves checking if there are any other numbers that can divide 777 evenly, meaning without leaving a remainder. If such divisors exist, 777 is not a prime number; otherwise, it would be classified as prime.

To quickly check if 777 is a prime number:

Calculate the square root of 777

$\sqrt{777} = 27.87$

Prime numbers less than or equal to 27.87: 2, 3, 5, 7, 11, 13, 17, 19, 23

• 777 is divisible by number: 3, 7, 37.

Since 777 is divisible by a number 3, 7, 37 other than 1 and itself, so it is not a prime number