Q: Is 8,722,121 a Prime Number?
A: No, 8,722,121 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 8722121 can be evenly divided by 1 19 37 361 653 703 12,407 13,357 24,161 235,733 459,059 and 8,722,121, with no remainder.
Since 8,722,121 cannot be divided by just 1 and 8,722,121, it is not a prime number.