Q: Is 18,011,040 a Composite Number?

Why is 18,011,040 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 18,011,040 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 157 160 239 240 314 471 478 480 628 717 785 942 956 1,195 1,256 1,434 1,570 1,884 1,912 2,355 2,390 2,512 2,868 3,140 3,585 3,768 3,824 4,710 4,780 5,024 5,736 6,280 7,170 7,536 7,648 9,420 9,560 11,472 12,560 14,340 15,072 18,840 19,120 22,944 25,120 28,680 37,523 37,680 38,240 57,360 75,046 75,360 112,569 114,720 150,092 187,615 225,138 300,184 375,230 450,276 562,845 600,368 750,460 900,552 1,125,690 1,200,736 1,500,920 1,801,104 2,251,380 3,001,840 3,602,208 4,502,760 6,003,680 9,005,520 and 18,011,040, with no remainder.

Since 18,011,040 cannot be divided by just 1 and 18,011,040, 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).