Q: Is 618,604 a Prime Number?
A: No, 618,604 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 618604 can be evenly divided by 1 2 4 7 14 28 22,093 44,186 88,372 154,651 309,302 and 618,604, with no remainder.
Since 618,604 cannot be divided by just 1 and 618,604, it is not a prime number.