Q: Is 1,407,664 a Prime Number?
A: No, 1,407,664 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 1407664 can be evenly divided by 1 2 4 8 16 97 194 388 776 907 1,552 1,814 3,628 7,256 14,512 87,979 175,958 351,916 703,832 and 1,407,664, with no remainder.
Since 1,407,664 cannot be divided by just 1 and 1,407,664, it is not a prime number.