Q: Is 917,920 a Prime Number?
A: No, 917,920 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 917920 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 80 160 5,737 11,474 22,948 28,685 45,896 57,370 91,792 114,740 183,584 229,480 458,960 and 917,920, with no remainder.
Since 917,920 cannot be divided by just 1 and 917,920, it is not a prime number.