Q: Is 15,443,120 a Composite Number?

Why is 15,443,120 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 15,443,120 can be evenly divided by 1 2 4 5 7 8 10 11 14 16 20 22 23 28 35 40 44 46 55 56 70 77 80 88 92 109 110 112 115 140 154 161 176 184 218 220 230 253 280 308 322 368 385 436 440 460 506 545 560 616 644 763 770 805 872 880 920 1,012 1,090 1,199 1,232 1,265 1,288 1,526 1,540 1,610 1,744 1,771 1,840 2,024 2,180 2,398 2,507 2,530 2,576 3,052 3,080 3,220 3,542 3,815 4,048 4,360 4,796 5,014 5,060 5,995 6,104 6,160 6,440 7,084 7,630 8,393 8,720 8,855 9,592 10,028 10,120 11,990 12,208 12,535 12,880 14,168 15,260 16,786 17,549 17,710 19,184 20,056 20,240 23,980 25,070 27,577 28,336 30,520 33,572 35,098 35,420 40,112 41,965 47,960 50,140 55,154 61,040 67,144 70,196 70,840 83,930 87,745 95,920 100,280 110,308 134,288 137,885 140,392 141,680 167,860 175,490 193,039 200,560 220,616 275,770 280,784 335,720 350,980 386,078 441,232 551,540 671,440 701,960 772,156 965,195 1,103,080 1,403,920 1,544,312 1,930,390 2,206,160 3,088,624 3,860,780 7,721,560 and 15,443,120, with no remainder.

Since 15,443,120 cannot be divided by just 1 and 15,443,120, 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).