Q: Is 18,889,040 a Composite Number?

Why is 18,889,040 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 18,889,040 can be evenly divided by 1 2 4 5 8 10 16 17 19 20 34 38 40 43 68 76 80 85 86 95 136 152 170 172 190 215 272 289 304 323 340 344 380 430 578 646 680 688 731 760 817 860 1,156 1,292 1,360 1,445 1,462 1,520 1,615 1,634 1,720 2,312 2,584 2,890 2,924 3,230 3,268 3,440 3,655 4,085 4,624 5,168 5,491 5,780 5,848 6,460 6,536 7,310 8,170 10,982 11,560 11,696 12,427 12,920 13,072 13,889 14,620 16,340 21,964 23,120 24,854 25,840 27,455 27,778 29,240 32,680 43,928 49,708 54,910 55,556 58,480 62,135 65,360 69,445 87,856 99,416 109,820 111,112 124,270 138,890 198,832 219,640 222,224 236,113 248,540 277,780 439,280 472,226 497,080 555,560 944,452 994,160 1,111,120 1,180,565 1,888,904 2,361,130 3,777,808 4,722,260 9,444,520 and 18,889,040, with no remainder.

Since 18,889,040 cannot be divided by just 1 and 18,889,040, 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).