Q: Is 42,172 a Prime Number?
A: No, 42,172 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 42172 can be evenly divided by 1 2 4 13 26 52 811 1,622 3,244 10,543 21,086 and 42,172, with no remainder.
Since 42,172 cannot be divided by just 1 and 42,172, it is not a prime number.