Q: Is 10,520 a Prime Number?
A: No, 10,520 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 10520 can be evenly divided by 1 2 4 5 8 10 20 40 263 526 1,052 1,315 2,104 2,630 5,260 and 10,520, with no remainder.
Since 10,520 cannot be divided by just 1 and 10,520, it is not a prime number.