Q: Is 157,242 a Prime Number?
A: No, 157,242 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 157242 can be evenly divided by 1 2 3 6 73 146 219 359 438 718 1,077 2,154 26,207 52,414 78,621 and 157,242, with no remainder.
Since 157,242 cannot be divided by just 1 and 157,242, it is not a prime number.