Q: Is 158,427 a Prime Number?
A: No, 158,427 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 158427 can be evenly divided by 1 3 9 29 87 261 607 1,821 5,463 17,603 52,809 and 158,427, with no remainder.
Since 158,427 cannot be divided by just 1 and 158,427, it is not a prime number.