Q: Is 2,125,123 a Prime Number?
A: No, 2,125,123 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 2125123 can be evenly divided by 1 7 11 13 77 91 121 143 193 847 1,001 1,351 1,573 2,123 2,509 11,011 14,861 17,563 23,353 27,599 163,471 193,193 303,589 and 2,125,123, with no remainder.
Since 2,125,123 cannot be divided by just 1 and 2,125,123, it is not a prime number.