Q: Is 1,668,800 a Composite Number?

Why is 1,668,800 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 1,668,800 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 50 56 64 70 80 100 112 140 149 160 175 200 224 280 298 320 350 400 448 560 596 700 745 800 1,043 1,120 1,192 1,400 1,490 1,600 2,086 2,240 2,384 2,800 2,980 3,725 4,172 4,768 5,215 5,600 5,960 7,450 8,344 9,536 10,430 11,200 11,920 14,900 16,688 20,860 23,840 26,075 29,800 33,376 41,720 47,680 52,150 59,600 66,752 83,440 104,300 119,200 166,880 208,600 238,400 333,760 417,200 834,400 and 1,668,800, with no remainder.

Since 1,668,800 cannot be divided by just 1 and 1,668,800, 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).