Q: Is 2,120,748 a Prime Number?
A: No, 2,120,748 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 2120748 can be evenly divided by 1 2 3 4 6 7 12 14 21 28 42 84 25,247 50,494 75,741 100,988 151,482 176,729 302,964 353,458 530,187 706,916 1,060,374 and 2,120,748, with no remainder.
Since 2,120,748 cannot be divided by just 1 and 2,120,748, it is not a prime number.