Q: Is 820,100 a Prime Number?
A: No, 820,100 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 820100 can be evenly divided by 1 2 4 5 10 20 25 50 59 100 118 139 236 278 295 556 590 695 1,180 1,390 1,475 2,780 2,950 3,475 5,900 6,950 8,201 13,900 16,402 32,804 41,005 82,010 164,020 205,025 410,050 and 820,100, with no remainder.
Since 820,100 cannot be divided by just 1 and 820,100, it is not a prime number.