Q: Is 1,200,520 a Prime Number?
A: No, 1,200,520 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 1200520 can be evenly divided by 1 2 4 5 8 10 20 40 30,013 60,026 120,052 150,065 240,104 300,130 600,260 and 1,200,520, with no remainder.
Since 1,200,520 cannot be divided by just 1 and 1,200,520, it is not a prime number.