Q: Is 321,240,210 a Composite Number?

Why is 321,240,210 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 321,240,210 can be evenly divided by 1 2 3 5 6 10 15 30 67 71 134 142 201 213 335 355 402 426 670 710 1,005 1,065 2,010 2,130 2,251 4,502 4,757 6,753 9,514 11,255 13,506 14,271 22,510 23,785 28,542 33,765 47,570 67,530 71,355 142,710 150,817 159,821 301,634 319,642 452,451 479,463 754,085 799,105 904,902 958,926 1,508,170 1,598,210 2,262,255 2,397,315 4,524,510 4,794,630 10,708,007 21,416,014 32,124,021 53,540,035 64,248,042 107,080,070 160,620,105 and 321,240,210, with no remainder.

Since 321,240,210 cannot be divided by just 1 and 321,240,210, 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).