Q: Is 2,121,748 a Prime Number?
A: No, 2,121,748 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 2121748 can be evenly divided by 1 2 4 499 998 1,063 1,996 2,126 4,252 530,437 1,060,874 and 2,121,748, with no remainder.
Since 2,121,748 cannot be divided by just 1 and 2,121,748, it is not a prime number.