Q: Is 71,724 a Prime Number?
A: No, 71,724 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 71724 can be evenly divided by 1 2 3 4 6 12 43 86 129 139 172 258 278 417 516 556 834 1,668 5,977 11,954 17,931 23,908 35,862 and 71,724, with no remainder.
Since 71,724 cannot be divided by just 1 and 71,724, it is not a prime number.