Q: Is 131,787 a Prime Number?
A: No, 131,787 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 131787 can be evenly divided by 1 3 9 27 81 1,627 4,881 14,643 43,929 and 131,787, with no remainder.
Since 131,787 cannot be divided by just 1 and 131,787, it is not a prime number.