Q: Is 135,820 a Prime Number?
A: No, 135,820 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 135820 can be evenly divided by 1 2 4 5 10 20 6,791 13,582 27,164 33,955 67,910 and 135,820, with no remainder.
Since 135,820 cannot be divided by just 1 and 135,820, it is not a prime number.