Q: Is 2,100 a Prime Number?
A: No, 2,100 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 2100 can be evenly divided by 1 2 3 4 5 6 7 10 12 14 15 20 21 25 28 30 35 42 50 60 70 75 84 100 105 140 150 175 210 300 350 420 525 700 1,050 and 2,100, with no remainder.
Since 2,100 cannot be divided by just 1 and 2,100, it is not a prime number.