Q: Is 2,565 a Prime Number?
A: No, 2,565 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 2565 can be evenly divided by 1 3 5 9 15 19 27 45 57 95 135 171 285 513 855 and 2,565, with no remainder.
Since 2,565 cannot be divided by just 1 and 2,565, it is not a prime number.