Q: Is 677,560 a Prime Number?
A: No, 677,560 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 677560 can be evenly divided by 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 1,303 2,606 5,212 6,515 10,424 13,030 16,939 26,060 33,878 52,120 67,756 84,695 135,512 169,390 338,780 and 677,560, with no remainder.
Since 677,560 cannot be divided by just 1 and 677,560, it is not a prime number.