Q: Is 870,721 a Prime Number?
A: No, 870,721 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 870721 can be evenly divided by 1 37 101 233 3,737 8,621 23,533 and 870,721, with no remainder.
Since 870,721 cannot be divided by just 1 and 870,721, it is not a prime number.