Q: Is 172,072 a Prime Number?
A: No, 172,072 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 172072 can be evenly divided by 1 2 4 8 137 157 274 314 548 628 1,096 1,256 21,509 43,018 86,036 and 172,072, with no remainder.
Since 172,072 cannot be divided by just 1 and 172,072, it is not a prime number.