Q: Is 3,221,440 a Composite Number?
A: Yes, 3,221,440 is a composite number.
The number 3,221,440 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 64 80 160 320 10,067 20,134 40,268 50,335 80,536 100,670 161,072 201,340 322,144 402,680 644,288 805,360 1,610,720 and 3,221,440, with no remainder.
Since 3,221,440 cannot be divided by just 1 and 3,221,440, it is a composite number.