Q: Is 220,742 a Prime Number?
A: No, 220,742 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 220742 can be evenly divided by 1 2 19 37 38 74 157 314 703 1,406 2,983 5,809 5,966 11,618 110,371 and 220,742, with no remainder.
Since 220,742 cannot be divided by just 1 and 220,742, it is not a prime number.