Q: Is 139,971 a Prime Number?
A: No, 139,971 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 139971 can be evenly divided by 1 3 13 37 39 97 111 291 481 1,261 1,443 3,589 3,783 10,767 46,657 and 139,971, with no remainder.
Since 139,971 cannot be divided by just 1 and 139,971, it is not a prime number.