Q: Is 7,771,920 a Composite Number?

Why is 7,771,920 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 7,771,920 can be evenly divided by 1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 39 40 47 48 52 53 60 65 78 80 94 104 106 120 130 141 156 159 188 195 208 212 235 240 260 265 282 312 318 376 390 424 470 520 530 564 611 624 636 689 705 752 780 795 848 940 1,040 1,060 1,128 1,222 1,272 1,378 1,410 1,560 1,590 1,833 1,880 2,067 2,120 2,256 2,444 2,491 2,544 2,756 2,820 3,055 3,120 3,180 3,445 3,666 3,760 4,134 4,240 4,888 4,982 5,512 5,640 6,110 6,360 6,890 7,332 7,473 8,268 9,165 9,776 9,964 10,335 11,024 11,280 12,220 12,455 12,720 13,780 14,664 14,946 16,536 18,330 19,928 20,670 24,440 24,910 27,560 29,328 29,892 32,383 33,072 36,660 37,365 39,856 41,340 48,880 49,820 55,120 59,784 64,766 73,320 74,730 82,680 97,149 99,640 119,568 129,532 146,640 149,460 161,915 165,360 194,298 199,280 259,064 298,920 323,830 388,596 485,745 518,128 597,840 647,660 777,192 971,490 1,295,320 1,554,384 1,942,980 2,590,640 3,885,960 and 7,771,920, with no remainder.

Since 7,771,920 cannot be divided by just 1 and 7,771,920, 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).