Q: Is 724,542 a Prime Number?
A: No, 724,542 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 724542 can be evenly divided by 1 2 3 6 7 13 14 21 26 39 42 78 91 182 273 546 1,327 2,654 3,981 7,962 9,289 17,251 18,578 27,867 34,502 51,753 55,734 103,506 120,757 241,514 362,271 and 724,542, with no remainder.
Since 724,542 cannot be divided by just 1 and 724,542, it is not a prime number.