Q: Is 17,751,120 a Composite Number?

Why is 17,751,120 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 17,751,120 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 30 37 40 48 60 74 80 111 120 148 185 222 240 296 370 444 555 592 740 888 1,110 1,480 1,776 1,999 2,220 2,960 3,998 4,440 5,997 7,996 8,880 9,995 11,994 15,992 19,990 23,988 29,985 31,984 39,980 47,976 59,970 73,963 79,960 95,952 119,940 147,926 159,920 221,889 239,880 295,852 369,815 443,778 479,760 591,704 739,630 887,556 1,109,445 1,183,408 1,479,260 1,775,112 2,218,890 2,958,520 3,550,224 4,437,780 5,917,040 8,875,560 and 17,751,120, with no remainder.

Since 17,751,120 cannot be divided by just 1 and 17,751,120, 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).