Q: Is 1,242,538 a Prime Number?
A: No, 1,242,538 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 1242538 can be evenly divided by 1 2 11 22 56,479 112,958 621,269 and 1,242,538, with no remainder.
Since 1,242,538 cannot be divided by just 1 and 1,242,538, it is not a prime number.