Q: Is 2,800 a Prime Number?
A: No, 2,800 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 2800 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 25 28 35 40 50 56 70 80 100 112 140 175 200 280 350 400 560 700 1,400 and 2,800, with no remainder.
Since 2,800 cannot be divided by just 1 and 2,800, it is not a prime number.