Q: Is 420,248 a Prime Number?
A: No, 420,248 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 420248 can be evenly divided by 1 2 4 8 131 262 401 524 802 1,048 1,604 3,208 52,531 105,062 210,124 and 420,248, with no remainder.
Since 420,248 cannot be divided by just 1 and 420,248, it is not a prime number.