Q: Is 489,447 a Prime Number?
A: No, 489,447 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 489447 can be evenly divided by 1 3 7 9 17 21 51 63 119 153 357 457 1,071 1,371 3,199 4,113 7,769 9,597 23,307 28,791 54,383 69,921 163,149 and 489,447, with no remainder.
Since 489,447 cannot be divided by just 1 and 489,447, it is not a prime number.