Q: Is 355,978 a Prime Number?
A: No, 355,978 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 355978 can be evenly divided by 1 2 7 14 47 94 329 541 658 1,082 3,787 7,574 25,427 50,854 177,989 and 355,978, with no remainder.
Since 355,978 cannot be divided by just 1 and 355,978, it is not a prime number.