Q: Is 538,215 a Prime Number?
A: No, 538,215 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 538215 can be evenly divided by 1 3 5 15 53 159 265 677 795 2,031 3,385 10,155 35,881 107,643 179,405 and 538,215, with no remainder.
Since 538,215 cannot be divided by just 1 and 538,215, it is not a prime number.