Q: Is 187,820 a Prime Number?
A: No, 187,820 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 187820 can be evenly divided by 1 2 4 5 10 20 9,391 18,782 37,564 46,955 93,910 and 187,820, with no remainder.
Since 187,820 cannot be divided by just 1 and 187,820, it is not a prime number.