Q: Is 731,664 a Prime Number?
A: No, 731,664 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 731664 can be evenly divided by 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 5,081 10,162 15,243 20,324 30,486 40,648 45,729 60,972 81,296 91,458 121,944 182,916 243,888 365,832 and 731,664, with no remainder.
Since 731,664 cannot be divided by just 1 and 731,664, it is not a prime number.