Q: Is 131,505 a Prime Number?
A: No, 131,505 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 131505 can be evenly divided by 1 3 5 11 15 33 55 165 797 2,391 3,985 8,767 11,955 26,301 43,835 and 131,505, with no remainder.
Since 131,505 cannot be divided by just 1 and 131,505, it is not a prime number.