Q: Is 1,421,424 a Prime Number?
A: No, 1,421,424 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 1421424 can be evenly divided by 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 9,871 19,742 29,613 39,484 59,226 78,968 88,839 118,452 157,936 177,678 236,904 355,356 473,808 710,712 and 1,421,424, with no remainder.
Since 1,421,424 cannot be divided by just 1 and 1,421,424, it is not a prime number.