Q: Is 721,614 a Prime Number?
A: No, 721,614 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 721614 can be evenly divided by 1 2 3 6 127 254 381 762 947 1,894 2,841 5,682 120,269 240,538 360,807 and 721,614, with no remainder.
Since 721,614 cannot be divided by just 1 and 721,614, it is not a prime number.