Q: Is 3,118,320 a Composite Number?

Why is 3,118,320 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 3,118,320 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 61 71 72 80 90 120 122 142 144 180 183 213 240 244 284 305 355 360 366 426 488 549 568 610 639 710 720 732 852 915 976 1,065 1,098 1,136 1,220 1,278 1,420 1,464 1,704 1,830 2,130 2,196 2,440 2,556 2,745 2,840 2,928 3,195 3,408 3,660 4,260 4,331 4,392 4,880 5,112 5,490 5,680 6,390 7,320 8,520 8,662 8,784 10,224 10,980 12,780 12,993 14,640 17,040 17,324 21,655 21,960 25,560 25,986 34,648 38,979 43,310 43,920 51,120 51,972 64,965 69,296 77,958 86,620 103,944 129,930 155,916 173,240 194,895 207,888 259,860 311,832 346,480 389,790 519,720 623,664 779,580 1,039,440 1,559,160 and 3,118,320, with no remainder.

Since 3,118,320 cannot be divided by just 1 and 3,118,320, 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).