Q: Is 8,430,520 a Prime Number?
A: No, 8,430,520 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 8430520 can be evenly divided by 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 30,109 60,218 120,436 150,545 210,763 240,872 301,090 421,526 602,180 843,052 1,053,815 1,204,360 1,686,104 2,107,630 4,215,260 and 8,430,520, with no remainder.
Since 8,430,520 cannot be divided by just 1 and 8,430,520, it is not a prime number.