Q: Is 420,144 a Prime Number?
A: No, 420,144 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 420144 can be evenly divided by 1 2 3 4 6 8 12 16 24 48 8,753 17,506 26,259 35,012 52,518 70,024 105,036 140,048 210,072 and 420,144, with no remainder.
Since 420,144 cannot be divided by just 1 and 420,144, it is not a prime number.