Q: Is 155,491 a Prime Number?
A: No, 155,491 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 155491 can be evenly divided by 1 7 97 229 679 1,603 22,213 and 155,491, with no remainder.
Since 155,491 cannot be divided by just 1 and 155,491, it is not a prime number.