Q: Is 422,664 a Prime Number?
A: No, 422,664 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 422664 can be evenly divided by 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 1,601 3,202 4,803 6,404 9,606 12,808 17,611 19,212 35,222 38,424 52,833 70,444 105,666 140,888 211,332 and 422,664, with no remainder.
Since 422,664 cannot be divided by just 1 and 422,664, it is not a prime number.