Q: Is 231,720 a Prime Number?
A: No, 231,720 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 231720 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 1,931 3,862 5,793 7,724 9,655 11,586 15,448 19,310 23,172 28,965 38,620 46,344 57,930 77,240 115,860 and 231,720, with no remainder.
Since 231,720 cannot be divided by just 1 and 231,720, it is not a prime number.