Q: Is 280,520 a Prime Number?
A: No, 280,520 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 280520 can be evenly divided by 1 2 4 5 8 10 20 40 7,013 14,026 28,052 35,065 56,104 70,130 140,260 and 280,520, with no remainder.
Since 280,520 cannot be divided by just 1 and 280,520, it is not a prime number.