Q: Is 542,535 a Prime Number?
A: No, 542,535 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 542535 can be evenly divided by 1 3 5 7 15 21 35 105 5,167 15,501 25,835 36,169 77,505 108,507 180,845 and 542,535, with no remainder.
Since 542,535 cannot be divided by just 1 and 542,535, it is not a prime number.