Q: Is 145,691 a Prime Number?
A: No, 145,691 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 145691 can be evenly divided by 1 7 13 91 1,601 11,207 20,813 and 145,691, with no remainder.
Since 145,691 cannot be divided by just 1 and 145,691, it is not a prime number.