Q: Is 655,918 a Prime Number?
A: No, 655,918 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 655918 can be evenly divided by 1 2 19 38 41 82 421 779 842 1,558 7,999 15,998 17,261 34,522 327,959 and 655,918, with no remainder.
Since 655,918 cannot be divided by just 1 and 655,918, it is not a prime number.