Q: Is 172,520 a Prime Number?
A: No, 172,520 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 172520 can be evenly divided by 1 2 4 5 8 10 19 20 38 40 76 95 152 190 227 380 454 760 908 1,135 1,816 2,270 4,313 4,540 8,626 9,080 17,252 21,565 34,504 43,130 86,260 and 172,520, with no remainder.
Since 172,520 cannot be divided by just 1 and 172,520, it is not a prime number.