Q: Is 1,421,438 a Prime Number?
A: No, 1,421,438 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 1421438 can be evenly divided by 1 2 17 34 97 194 431 862 1,649 3,298 7,327 14,654 41,807 83,614 710,719 and 1,421,438, with no remainder.
Since 1,421,438 cannot be divided by just 1 and 1,421,438, it is not a prime number.