Q: Is 71,720 a Prime Number?
A: No, 71,720 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 71720 can be evenly divided by 1 2 4 5 8 10 11 20 22 40 44 55 88 110 163 220 326 440 652 815 1,304 1,630 1,793 3,260 3,586 6,520 7,172 8,965 14,344 17,930 35,860 and 71,720, with no remainder.
Since 71,720 cannot be divided by just 1 and 71,720, it is not a prime number.