Q: Is 729,664 a Prime Number?
A: No, 729,664 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 729664 can be evenly divided by 1 2 4 8 13 16 26 32 52 64 104 208 416 832 877 1,754 3,508 7,016 11,401 14,032 22,802 28,064 45,604 56,128 91,208 182,416 364,832 and 729,664, with no remainder.
Since 729,664 cannot be divided by just 1 and 729,664, it is not a prime number.