Q: Is 1,375,409 a Prime Number?
A: No, 1,375,409 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 1375409 can be evenly divided by 1 7 349 563 2,443 3,941 196,487 and 1,375,409, with no remainder.
Since 1,375,409 cannot be divided by just 1 and 1,375,409, it is not a prime number.