Q: Is 1,421,987 a Prime Number?
A: No, 1,421,987 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 1421987 can be evenly divided by 1 7 203,141 and 1,421,987, with no remainder.
Since 1,421,987 cannot be divided by just 1 and 1,421,987, it is not a prime number.