Q: Is 1,421,364 a Prime Number?
A: No, 1,421,364 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 1421364 can be evenly divided by 1 2 3 4 6 7 12 14 21 28 42 84 16,921 33,842 50,763 67,684 101,526 118,447 203,052 236,894 355,341 473,788 710,682 and 1,421,364, with no remainder.
Since 1,421,364 cannot be divided by just 1 and 1,421,364, it is not a prime number.