Q: Is 505,740 a Prime Number?
A: No, 505,740 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 505740 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 30 60 8,429 16,858 25,287 33,716 42,145 50,574 84,290 101,148 126,435 168,580 252,870 and 505,740, with no remainder.
Since 505,740 cannot be divided by just 1 and 505,740, it is not a prime number.