Q: Is 855,740 a Prime Number?
A: No, 855,740 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 855740 can be evenly divided by 1 2 4 5 10 20 42,787 85,574 171,148 213,935 427,870 and 855,740, with no remainder.
Since 855,740 cannot be divided by just 1 and 855,740, it is not a prime number.