Q: Is 1,564,397 a Prime Number?
A: No, 1,564,397 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 1564397 can be evenly divided by 1 37 42,281 and 1,564,397, with no remainder.
Since 1,564,397 cannot be divided by just 1 and 1,564,397, it is not a prime number.