Q: Is 396,520 a Prime Number?
A: No, 396,520 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 396520 can be evenly divided by 1 2 4 5 8 10 20 23 40 46 92 115 184 230 431 460 862 920 1,724 2,155 3,448 4,310 8,620 9,913 17,240 19,826 39,652 49,565 79,304 99,130 198,260 and 396,520, with no remainder.
Since 396,520 cannot be divided by just 1 and 396,520, it is not a prime number.