Q: Is 139,870 a Prime Number?
A: No, 139,870 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 139870 can be evenly divided by 1 2 5 10 71 142 197 355 394 710 985 1,970 13,987 27,974 69,935 and 139,870, with no remainder.
Since 139,870 cannot be divided by just 1 and 139,870, it is not a prime number.