Q: Is 77,427 a Prime Number?
A: No, 77,427 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 77427 can be evenly divided by 1 3 7 9 21 63 1,229 3,687 8,603 11,061 25,809 and 77,427, with no remainder.
Since 77,427 cannot be divided by just 1 and 77,427, it is not a prime number.