Q: Is 2,123,120 a Prime Number?
A: No, 2,123,120 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 2123120 can be evenly divided by 1 2 4 5 8 10 16 20 40 80 26,539 53,078 106,156 132,695 212,312 265,390 424,624 530,780 1,061,560 and 2,123,120, with no remainder.
Since 2,123,120 cannot be divided by just 1 and 2,123,120, it is not a prime number.