Q: Is 221,264 a Prime Number?
A: No, 221,264 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 221264 can be evenly divided by 1 2 4 8 16 13,829 27,658 55,316 110,632 and 221,264, with no remainder.
Since 221,264 cannot be divided by just 1 and 221,264, it is not a prime number.