Q: Is 15,207,920 a Composite Number?

Why is 15,207,920 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 15,207,920 can be evenly divided by 1 2 4 5 7 8 10 13 14 16 20 26 28 35 40 52 56 65 70 80 91 104 112 130 140 182 208 260 280 364 455 520 560 728 910 1,040 1,456 1,820 2,089 3,640 4,178 7,280 8,356 10,445 14,623 16,712 20,890 27,157 29,246 33,424 41,780 54,314 58,492 73,115 83,560 108,628 116,984 135,785 146,230 167,120 190,099 217,256 233,968 271,570 292,460 380,198 434,512 543,140 584,920 760,396 950,495 1,086,280 1,169,840 1,520,792 1,900,990 2,172,560 3,041,584 3,801,980 7,603,960 and 15,207,920, with no remainder.

Since 15,207,920 cannot be divided by just 1 and 15,207,920, 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).