Q: Is 3,458,721 a Prime Number?
A: No, 3,458,721 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 3458721 can be evenly divided by 1 3 7 21 164,701 494,103 1,152,907 and 3,458,721, with no remainder.
Since 3,458,721 cannot be divided by just 1 and 3,458,721, it is not a prime number.