Q: Is 1,240,520 a Prime Number?
A: No, 1,240,520 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 1240520 can be evenly divided by 1 2 4 5 8 10 20 40 31,013 62,026 124,052 155,065 248,104 310,130 620,260 and 1,240,520, with no remainder.
Since 1,240,520 cannot be divided by just 1 and 1,240,520, it is not a prime number.