Q: Is 15,720,120 a Composite Number?

Why is 15,720,120 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 15,720,120 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 13 15 18 20 24 26 30 36 39 40 45 52 60 65 72 78 90 104 117 120 130 156 180 195 234 260 312 360 390 468 520 585 780 936 1,170 1,560 2,340 3,359 4,680 6,718 10,077 13,436 16,795 20,154 26,872 30,231 33,590 40,308 43,667 50,385 60,462 67,180 80,616 87,334 100,770 120,924 131,001 134,360 151,155 174,668 201,540 218,335 241,848 262,002 302,310 349,336 393,003 403,080 436,670 524,004 604,620 655,005 786,006 873,340 1,048,008 1,209,240 1,310,010 1,572,012 1,746,680 1,965,015 2,620,020 3,144,024 3,930,030 5,240,040 7,860,060 and 15,720,120, with no remainder.

Since 15,720,120 cannot be divided by just 1 and 15,720,120, 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).