Q: Is 78,393,840 a Composite Number?

Why is 78,393,840 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 78,393,840 can be evenly divided by 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 48 56 60 70 80 84 105 112 120 140 168 210 240 280 336 420 560 840 1,680 46,663 93,326 139,989 186,652 233,315 279,978 326,641 373,304 466,630 559,956 653,282 699,945 746,608 933,260 979,923 1,119,912 1,306,564 1,399,890 1,633,205 1,866,520 1,959,846 2,239,824 2,613,128 2,799,780 3,266,410 3,733,040 3,919,692 4,899,615 5,226,256 5,599,560 6,532,820 7,839,384 9,799,230 11,199,120 13,065,640 15,678,768 19,598,460 26,131,280 39,196,920 and 78,393,840, with no remainder.

Since 78,393,840 cannot be divided by just 1 and 78,393,840, 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).