Q: Is 1,566,400 a Composite Number?

Why is 1,566,400 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 1,566,400 can be evenly divided by 1 2 4 5 8 10 11 16 20 22 25 32 40 44 50 55 64 80 88 89 100 110 160 176 178 200 220 275 320 352 356 400 440 445 550 704 712 800 880 890 979 1,100 1,424 1,600 1,760 1,780 1,958 2,200 2,225 2,848 3,520 3,560 3,916 4,400 4,450 4,895 5,696 7,120 7,832 8,800 8,900 9,790 14,240 15,664 17,600 17,800 19,580 24,475 28,480 31,328 35,600 39,160 48,950 62,656 71,200 78,320 97,900 142,400 156,640 195,800 313,280 391,600 783,200 and 1,566,400, with no remainder.

Since 1,566,400 cannot be divided by just 1 and 1,566,400, 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).