Q: Is 2,540 a Prime Number?
A: No, 2,540 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 2540 can be evenly divided by 1 2 4 5 10 20 127 254 508 635 1,270 and 2,540, with no remainder.
Since 2,540 cannot be divided by just 1 and 2,540, it is not a prime number.