Q: Is 540,507 a Prime Number?
A: No, 540,507 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 540507 can be evenly divided by 1 3 11 33 121 363 1,489 4,467 16,379 49,137 180,169 and 540,507, with no remainder.
Since 540,507 cannot be divided by just 1 and 540,507, it is not a prime number.