Q: Is 1,575,720 a Composite Number?

Why is 1,575,720 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 1,575,720 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 90 108 120 135 180 216 270 360 540 1,080 1,459 2,918 4,377 5,836 7,295 8,754 11,672 13,131 14,590 17,508 21,885 26,262 29,180 35,016 39,393 43,770 52,524 58,360 65,655 78,786 87,540 105,048 131,310 157,572 175,080 196,965 262,620 315,144 393,930 525,240 787,860 and 1,575,720, with no remainder.

Since 1,575,720 cannot be divided by just 1 and 1,575,720, 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).