Q: Is 9,378,720 a Composite Number?

Why is 9,378,720 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 9,378,720 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 27 30 32 36 39 40 45 48 52 54 60 65 72 78 80 90 96 104 108 117 120 130 135 144 156 160 167 180 195 208 216 234 240 260 270 288 312 334 351 360 390 416 432 468 480 501 520 540 585 624 668 702 720 780 835 864 936 1,002 1,040 1,080 1,170 1,248 1,336 1,404 1,440 1,503 1,560 1,670 1,755 1,872 2,004 2,080 2,160 2,171 2,340 2,505 2,672 2,808 3,006 3,120 3,340 3,510 3,744 4,008 4,320 4,342 4,509 4,680 5,010 5,344 5,616 6,012 6,240 6,513 6,680 7,020 7,515 8,016 8,684 9,018 9,360 10,020 10,855 11,232 12,024 13,026 13,360 14,040 15,030 16,032 17,368 18,036 18,720 19,539 20,040 21,710 22,545 24,048 26,052 26,720 28,080 30,060 32,565 34,736 36,072 39,078 40,080 43,420 45,090 48,096 52,104 56,160 58,617 60,120 65,130 69,472 72,144 78,156 80,160 86,840 90,180 97,695 104,208 117,234 120,240 130,260 144,288 156,312 173,680 180,360 195,390 208,416 234,468 240,480 260,520 293,085 312,624 347,360 360,720 390,780 468,936 521,040 586,170 625,248 721,440 781,560 937,872 1,042,080 1,172,340 1,563,120 1,875,744 2,344,680 3,126,240 4,689,360 and 9,378,720, with no remainder.

Since 9,378,720 cannot be divided by just 1 and 9,378,720, 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).