Q: Is 397,520 a Prime Number?
A: No, 397,520 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 397520 can be evenly divided by 1 2 4 5 8 10 16 20 40 80 4,969 9,938 19,876 24,845 39,752 49,690 79,504 99,380 198,760 and 397,520, with no remainder.
Since 397,520 cannot be divided by just 1 and 397,520, it is not a prime number.