Q: Is 356,427 a Prime Number?
A: No, 356,427 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 356427 can be evenly divided by 1 3 9 27 43 129 307 387 921 1,161 2,763 8,289 13,201 39,603 118,809 and 356,427, with no remainder.
Since 356,427 cannot be divided by just 1 and 356,427, it is not a prime number.