Q: Is 143,720 a Prime Number?
A: No, 143,720 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 143720 can be evenly divided by 1 2 4 5 8 10 20 40 3,593 7,186 14,372 17,965 28,744 35,930 71,860 and 143,720, with no remainder.
Since 143,720 cannot be divided by just 1 and 143,720, it is not a prime number.