Q: Is 724,638 a Prime Number?
A: No, 724,638 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 724638 can be evenly divided by 1 2 3 6 23 46 59 69 89 118 138 177 178 267 354 534 1,357 2,047 2,714 4,071 4,094 5,251 6,141 8,142 10,502 12,282 15,753 31,506 120,773 241,546 362,319 and 724,638, with no remainder.
Since 724,638 cannot be divided by just 1 and 724,638, it is not a prime number.