Q: Is 448,640 a Prime Number?
A: No, 448,640 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 448640 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 701 1,402 2,804 3,505 5,608 7,010 11,216 14,020 22,432 28,040 44,864 56,080 89,728 112,160 224,320 and 448,640, with no remainder.
Since 448,640 cannot be divided by just 1 and 448,640, it is not a prime number.