Q: Is 845,427 a Prime Number?
A: No, 845,427 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 845427 can be evenly divided by 1 3 11 17 33 51 121 137 187 363 411 561 1,507 2,057 2,329 4,521 6,171 6,987 16,577 25,619 49,731 76,857 281,809 and 845,427, with no remainder.
Since 845,427 cannot be divided by just 1 and 845,427, it is not a prime number.