Q: Is 2,123,020 a Prime Number?
A: No, 2,123,020 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 2123020 can be evenly divided by 1 2 4 5 10 20 101 202 404 505 1,010 1,051 2,020 2,102 4,204 5,255 10,510 21,020 106,151 212,302 424,604 530,755 1,061,510 and 2,123,020, with no remainder.
Since 2,123,020 cannot be divided by just 1 and 2,123,020, it is not a prime number.