Q: Is 548,505 a Prime Number?
A: No, 548,505 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 548505 can be evenly divided by 1 3 5 9 15 17 27 45 51 85 135 153 239 255 459 717 765 1,195 2,151 2,295 3,585 4,063 6,453 10,755 12,189 20,315 32,265 36,567 60,945 109,701 182,835 and 548,505, with no remainder.
Since 548,505 cannot be divided by just 1 and 548,505, it is not a prime number.