Q: Is 1,317,920 a Prime Number?
A: No, 1,317,920 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 1317920 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 80 160 8,237 16,474 32,948 41,185 65,896 82,370 131,792 164,740 263,584 329,480 658,960 and 1,317,920, with no remainder.
Since 1,317,920 cannot be divided by just 1 and 1,317,920, it is not a prime number.