Q: Is 677,540 a Prime Number?
A: No, 677,540 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 677540 can be evenly divided by 1 2 4 5 10 19 20 38 76 95 190 380 1,783 3,566 7,132 8,915 17,830 33,877 35,660 67,754 135,508 169,385 338,770 and 677,540, with no remainder.
Since 677,540 cannot be divided by just 1 and 677,540, it is not a prime number.