Q: Is 888,640 a Prime Number?
A: No, 888,640 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 888640 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 64 80 160 320 2,777 5,554 11,108 13,885 22,216 27,770 44,432 55,540 88,864 111,080 177,728 222,160 444,320 and 888,640, with no remainder.
Since 888,640 cannot be divided by just 1 and 888,640, it is not a prime number.