Q: Is 1,243,072 a Prime Number?
A: No, 1,243,072 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 1243072 can be evenly divided by 1 2 4 8 16 32 64 19,423 38,846 77,692 155,384 310,768 621,536 and 1,243,072, with no remainder.
Since 1,243,072 cannot be divided by just 1 and 1,243,072, it is not a prime number.