Q: Is 420,448 a Prime Number?
A: No, 420,448 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 420448 can be evenly divided by 1 2 4 7 8 14 16 28 32 56 112 224 1,877 3,754 7,508 13,139 15,016 26,278 30,032 52,556 60,064 105,112 210,224 and 420,448, with no remainder.
Since 420,448 cannot be divided by just 1 and 420,448, it is not a prime number.