Q: Is 548,420 a Prime Number?
A: No, 548,420 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 548420 can be evenly divided by 1 2 4 5 10 17 20 34 68 85 170 340 1,613 3,226 6,452 8,065 16,130 27,421 32,260 54,842 109,684 137,105 274,210 and 548,420, with no remainder.
Since 548,420 cannot be divided by just 1 and 548,420, it is not a prime number.