Q: Is 210,421,008 a Composite Number?

Why is 210,421,008 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 210,421,008 can be evenly divided by 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 56 63 72 84 112 126 144 168 199 252 336 398 504 597 796 1,008 1,049 1,194 1,393 1,592 1,791 2,098 2,388 2,786 3,147 3,184 3,582 4,179 4,196 4,776 5,572 6,294 7,164 7,343 8,358 8,392 9,441 9,552 11,144 12,537 12,588 14,328 14,686 16,716 16,784 18,882 22,029 22,288 25,074 25,176 28,656 29,372 33,432 37,764 44,058 50,148 50,352 58,744 66,087 66,864 75,528 88,116 100,296 117,488 132,174 151,056 176,232 200,592 208,751 264,348 352,464 417,502 528,696 626,253 835,004 1,057,392 1,252,506 1,461,257 1,670,008 1,878,759 2,505,012 2,922,514 3,340,016 3,757,518 4,383,771 5,010,024 5,845,028 7,515,036 8,767,542 10,020,048 11,690,056 13,151,313 15,030,072 17,535,084 23,380,112 26,302,626 30,060,144 35,070,168 52,605,252 70,140,336 105,210,504 and 210,421,008, with no remainder.

Since 210,421,008 cannot be divided by just 1 and 210,421,008, 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).