Q: Is 873,820 a Prime Number?
A: No, 873,820 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 873820 can be evenly divided by 1 2 4 5 10 20 43,691 87,382 174,764 218,455 436,910 and 873,820, with no remainder.
Since 873,820 cannot be divided by just 1 and 873,820, it is not a prime number.