Q: Is 3,538,521 a Prime Number?
A: No, 3,538,521 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 3538521 can be evenly divided by 1 3 7 9 21 63 56,167 168,501 393,169 505,503 1,179,507 and 3,538,521, with no remainder.
Since 3,538,521 cannot be divided by just 1 and 3,538,521, it is not a prime number.