Q: Is 421,548 a Prime Number?
A: No, 421,548 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 421548 can be evenly divided by 1 2 3 4 6 12 35,129 70,258 105,387 140,516 210,774 and 421,548, with no remainder.
Since 421,548 cannot be divided by just 1 and 421,548, it is not a prime number.