Q: Is 139,420 a Prime Number?
A: No, 139,420 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 139420 can be evenly divided by 1 2 4 5 10 20 6,971 13,942 27,884 34,855 69,710 and 139,420, with no remainder.
Since 139,420 cannot be divided by just 1 and 139,420, it is not a prime number.