Q: Is 485,740 a Prime Number?
A: No, 485,740 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 485740 can be evenly divided by 1 2 4 5 10 20 149 163 298 326 596 652 745 815 1,490 1,630 2,980 3,260 24,287 48,574 97,148 121,435 242,870 and 485,740, with no remainder.
Since 485,740 cannot be divided by just 1 and 485,740, it is not a prime number.