Q: Is 2,128,320 a Composite Number?

Why is 2,128,320 a composite number?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number.

The number 2,128,320 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 144 160 180 192 240 288 320 360 480 576 720 739 960 1,440 1,478 2,217 2,880 2,956 3,695 4,434 5,912 6,651 7,390 8,868 11,085 11,824 13,302 14,780 17,736 22,170 23,648 26,604 29,560 33,255 35,472 44,340 47,296 53,208 59,120 66,510 70,944 88,680 106,416 118,240 133,020 141,888 177,360 212,832 236,480 266,040 354,720 425,664 532,080 709,440 1,064,160 and 2,128,320, with no remainder.

Since 2,128,320 cannot be divided by just 1 and 2,128,320, it is a composite number.

More Examples

• All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).