Q: Is 139,518 a Prime Number?
A: No, 139,518 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 139518 can be evenly divided by 1 2 3 6 9 18 23 46 69 138 207 337 414 674 1,011 2,022 3,033 6,066 7,751 15,502 23,253 46,506 69,759 and 139,518, with no remainder.
Since 139,518 cannot be divided by just 1 and 139,518, it is not a prime number.