Q: Is 855,104 a Prime Number?
A: No, 855,104 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 855104 can be evenly divided by 1 2 4 8 16 31 32 62 64 124 248 431 496 862 992 1,724 1,984 3,448 6,896 13,361 13,792 26,722 27,584 53,444 106,888 213,776 427,552 and 855,104, with no remainder.
Since 855,104 cannot be divided by just 1 and 855,104, it is not a prime number.