Q: Is 1,438,172 a Prime Number?
A: No, 1,438,172 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 1438172 can be evenly divided by 1 2 4 257 514 1,028 1,399 2,798 5,596 359,543 719,086 and 1,438,172, with no remainder.
Since 1,438,172 cannot be divided by just 1 and 1,438,172, it is not a prime number.