Q: Is 615,320 a Prime Number?
A: No, 615,320 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 615320 can be evenly divided by 1 2 4 5 8 10 20 40 15,383 30,766 61,532 76,915 123,064 153,830 307,660 and 615,320, with no remainder.
Since 615,320 cannot be divided by just 1 and 615,320, it is not a prime number.