Q: Is 172,240 a Prime Number?
A: No, 172,240 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 172240 can be evenly divided by 1 2 4 5 8 10 16 20 40 80 2,153 4,306 8,612 10,765 17,224 21,530 34,448 43,060 86,120 and 172,240, with no remainder.
Since 172,240 cannot be divided by just 1 and 172,240, it is not a prime number.