Q: Is 427,791 a Prime Number?
A: No, 427,791 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 427791 can be evenly divided by 1 3 7 13 21 39 91 273 1,567 4,701 10,969 20,371 32,907 61,113 142,597 and 427,791, with no remainder.
Since 427,791 cannot be divided by just 1 and 427,791, it is not a prime number.