Q: Is 1,055,721 a Prime Number?
A: No, 1,055,721 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 1055721 can be evenly divided by 1 3 37 111 9,511 28,533 351,907 and 1,055,721, with no remainder.
Since 1,055,721 cannot be divided by just 1 and 1,055,721, it is not a prime number.