Q: Is 664,742 a Prime Number?
A: No, 664,742 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 664742 can be evenly divided by 1 2 13 26 37 74 481 691 962 1,382 8,983 17,966 25,567 51,134 332,371 and 664,742, with no remainder.
Since 664,742 cannot be divided by just 1 and 664,742, it is not a prime number.