Q: Is 427,861 a Prime Number?
A: No, 427,861 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 427861 can be evenly divided by 1 7 19 133 3,217 22,519 61,123 and 427,861, with no remainder.
Since 427,861 cannot be divided by just 1 and 427,861, it is not a prime number.