Q: Is 548,421 a Prime Number?
A: No, 548,421 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 548421 can be evenly divided by 1 3 31 93 5,897 17,691 182,807 and 548,421, with no remainder.
Since 548,421 cannot be divided by just 1 and 548,421, it is not a prime number.