Q: Is 8,637,664 a Prime Number?
A: No, 8,637,664 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 8637664 can be evenly divided by 1 2 4 7 8 14 16 28 32 56 112 224 38,561 77,122 154,244 269,927 308,488 539,854 616,976 1,079,708 1,233,952 2,159,416 4,318,832 and 8,637,664, with no remainder.
Since 8,637,664 cannot be divided by just 1 and 8,637,664, it is not a prime number.