Q: Is 420,504 a Prime Number?
A: No, 420,504 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 420504 can be evenly divided by 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 2,503 5,006 7,509 10,012 15,018 17,521 20,024 30,036 35,042 52,563 60,072 70,084 105,126 140,168 210,252 and 420,504, with no remainder.
Since 420,504 cannot be divided by just 1 and 420,504, it is not a prime number.