Q: Is 20,119,120 a Composite Number?

Why is 20,119,120 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 20,119,120 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 28 35 37 40 56 70 74 80 112 140 148 185 259 280 296 370 518 560 592 740 971 1,036 1,295 1,480 1,942 2,072 2,590 2,960 3,884 4,144 4,855 5,180 6,797 7,768 9,710 10,360 13,594 15,536 19,420 20,720 27,188 33,985 35,927 38,840 54,376 67,970 71,854 77,680 108,752 135,940 143,708 179,635 251,489 271,880 287,416 359,270 502,978 543,760 574,832 718,540 1,005,956 1,257,445 1,437,080 2,011,912 2,514,890 2,874,160 4,023,824 5,029,780 10,059,560 and 20,119,120, with no remainder.

Since 20,119,120 cannot be divided by just 1 and 20,119,120, 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).