Q: Is 825,820 a Prime Number?
A: No, 825,820 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 825820 can be evenly divided by 1 2 4 5 10 20 157 263 314 526 628 785 1,052 1,315 1,570 2,630 3,140 5,260 41,291 82,582 165,164 206,455 412,910 and 825,820, with no remainder.
Since 825,820 cannot be divided by just 1 and 825,820, it is not a prime number.