Q: Is 847,820 a Prime Number?
A: No, 847,820 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 847820 can be evenly divided by 1 2 4 5 10 20 42,391 84,782 169,564 211,955 423,910 and 847,820, with no remainder.
Since 847,820 cannot be divided by just 1 and 847,820, it is not a prime number.