Q: Is 139,820 a Prime Number?
A: No, 139,820 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 139820 can be evenly divided by 1 2 4 5 10 20 6,991 13,982 27,964 34,955 69,910 and 139,820, with no remainder.
Since 139,820 cannot be divided by just 1 and 139,820, it is not a prime number.