Q: Is 20,850 a Prime Number?
A: No, 20,850 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 20850 can be evenly divided by 1 2 3 5 6 10 15 25 30 50 75 139 150 278 417 695 834 1,390 2,085 3,475 4,170 6,950 10,425 and 20,850, with no remainder.
Since 20,850 cannot be divided by just 1 and 20,850, it is not a prime number.