Q: Is 427,823 a Prime Number?
A: No, 427,823 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 427823 can be evenly divided by 1 11 19 23 89 209 253 437 979 1,691 2,047 4,807 18,601 22,517 38,893 and 427,823, with no remainder.
Since 427,823 cannot be divided by just 1 and 427,823, it is not a prime number.