Q: Is 129,820 a Prime Number?
A: No, 129,820 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 129820 can be evenly divided by 1 2 4 5 10 20 6,491 12,982 25,964 32,455 64,910 and 129,820, with no remainder.
Since 129,820 cannot be divided by just 1 and 129,820, it is not a prime number.