Q: Is 315,740 a Prime Number?
A: No, 315,740 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 315740 can be evenly divided by 1 2 4 5 10 20 15,787 31,574 63,148 78,935 157,870 and 315,740, with no remainder.
Since 315,740 cannot be divided by just 1 and 315,740, it is not a prime number.