Q: Is 1,220,800 a Composite Number?

Why is 1,220,800 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 1,220,800 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 50 56 64 70 80 100 109 112 140 160 175 200 218 224 280 320 350 400 436 448 545 560 700 763 800 872 1,090 1,120 1,400 1,526 1,600 1,744 2,180 2,240 2,725 2,800 3,052 3,488 3,815 4,360 5,450 5,600 6,104 6,976 7,630 8,720 10,900 11,200 12,208 15,260 17,440 19,075 21,800 24,416 30,520 34,880 38,150 43,600 48,832 61,040 76,300 87,200 122,080 152,600 174,400 244,160 305,200 610,400 and 1,220,800, with no remainder.

Since 1,220,800 cannot be divided by just 1 and 1,220,800, 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).