Q: Is 520,550 a Prime Number?
A: No, 520,550 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 520550 can be evenly divided by 1 2 5 10 25 29 50 58 145 290 359 718 725 1,450 1,795 3,590 8,975 10,411 17,950 20,822 52,055 104,110 260,275 and 520,550, with no remainder.
Since 520,550 cannot be divided by just 1 and 520,550, it is not a prime number.