Q: Is 1,421,385 a Prime Number?
A: No, 1,421,385 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 1421385 can be evenly divided by 1 3 5 7 15 21 35 105 13,537 40,611 67,685 94,759 203,055 284,277 473,795 and 1,421,385, with no remainder.
Since 1,421,385 cannot be divided by just 1 and 1,421,385, it is not a prime number.