Q: Is 805,820 a Prime Number?
A: No, 805,820 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 805820 can be evenly divided by 1 2 4 5 10 20 43 86 172 215 430 860 937 1,874 3,748 4,685 9,370 18,740 40,291 80,582 161,164 201,455 402,910 and 805,820, with no remainder.
Since 805,820 cannot be divided by just 1 and 805,820, it is not a prime number.