Q: Is 368,721 a Prime Number?
A: No, 368,721 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 368721 can be evenly divided by 1 3 9 53 159 477 773 2,319 6,957 40,969 122,907 and 368,721, with no remainder.
Since 368,721 cannot be divided by just 1 and 368,721, it is not a prime number.