Q: Is 615,424 a Prime Number?
A: No, 615,424 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 615424 can be evenly divided by 1 2 4 8 16 32 64 128 256 512 601 1,024 1,202 2,404 4,808 9,616 19,232 38,464 76,928 153,856 307,712 and 615,424, with no remainder.
Since 615,424 cannot be divided by just 1 and 615,424, it is not a prime number.