Q: Is 7,722,720 a Composite Number?

Why is 7,722,720 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 7,722,720 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 31 32 36 40 45 48 60 62 72 80 90 93 96 120 124 144 155 160 173 180 186 240 248 279 288 310 346 360 372 465 480 496 519 558 620 692 720 744 865 930 992 1,038 1,116 1,240 1,384 1,395 1,440 1,488 1,557 1,730 1,860 2,076 2,232 2,480 2,595 2,768 2,790 2,976 3,114 3,460 3,720 4,152 4,464 4,960 5,190 5,363 5,536 5,580 6,228 6,920 7,440 7,785 8,304 8,928 10,380 10,726 11,160 12,456 13,840 14,880 15,570 16,089 16,608 20,760 21,452 22,320 24,912 26,815 27,680 31,140 32,178 41,520 42,904 44,640 48,267 49,824 53,630 62,280 64,356 80,445 83,040 85,808 96,534 107,260 124,560 128,712 160,890 171,616 193,068 214,520 241,335 249,120 257,424 321,780 386,136 429,040 482,670 514,848 643,560 772,272 858,080 965,340 1,287,120 1,544,544 1,930,680 2,574,240 3,861,360 and 7,722,720, with no remainder.

Since 7,722,720 cannot be divided by just 1 and 7,722,720, 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).