Q: Is 1,660,724 a Prime Number?
A: No, 1,660,724 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 1660724 can be evenly divided by 1 2 4 13 26 52 109 218 293 436 586 1,172 1,417 2,834 3,809 5,668 7,618 15,236 31,937 63,874 127,748 415,181 830,362 and 1,660,724, with no remainder.
Since 1,660,724 cannot be divided by just 1 and 1,660,724, it is not a prime number.