Q: Is 1,240,312 a Prime Number?
A: No, 1,240,312 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 1240312 can be evenly divided by 1 2 4 8 197 394 787 788 1,574 1,576 3,148 6,296 155,039 310,078 620,156 and 1,240,312, with no remainder.
Since 1,240,312 cannot be divided by just 1 and 1,240,312, it is not a prime number.