Q: Is 1,406,397 a Prime Number?
A: No, 1,406,397 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 1406397 can be evenly divided by 1 3 67 201 6,997 20,991 468,799 and 1,406,397, with no remainder.
Since 1,406,397 cannot be divided by just 1 and 1,406,397, it is not a prime number.