Q: Is 20,223,210 a Composite Number?

Why is 20,223,210 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 20,223,210 can be evenly divided by 1 2 3 5 6 7 10 14 15 21 23 30 35 42 46 53 69 70 79 105 106 115 138 158 159 161 210 230 237 265 318 322 345 371 395 474 483 530 553 690 742 790 795 805 966 1,106 1,113 1,185 1,219 1,590 1,610 1,659 1,817 1,855 2,226 2,370 2,415 2,438 2,765 3,318 3,634 3,657 3,710 4,187 4,830 5,451 5,530 5,565 6,095 7,314 8,295 8,374 8,533 9,085 10,902 11,130 12,190 12,561 12,719 16,590 17,066 18,170 18,285 20,935 25,122 25,438 25,599 27,255 29,309 36,570 38,157 41,870 42,665 51,198 54,510 58,618 62,805 63,595 76,314 85,330 87,927 96,301 125,610 127,190 127,995 146,545 175,854 190,785 192,602 255,990 288,903 293,090 381,570 439,635 481,505 577,806 674,107 879,270 963,010 1,348,214 1,444,515 2,022,321 2,889,030 3,370,535 4,044,642 6,741,070 10,111,605 and 20,223,210, with no remainder.

Since 20,223,210 cannot be divided by just 1 and 20,223,210, 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).