Q: Is 321,234,210 a Composite Number?

Why is 321,234,210 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 321,234,210 can be evenly divided by 1 2 3 5 6 9 10 11 15 17 18 22 30 33 34 45 51 55 66 85 90 99 102 110 153 165 170 187 198 255 306 330 374 495 510 561 765 935 990 1,122 1,530 1,683 1,870 2,805 3,366 5,610 8,415 16,830 19,087 38,174 57,261 95,435 114,522 171,783 190,870 209,957 286,305 324,479 343,566 419,914 572,610 629,871 648,958 858,915 973,437 1,049,785 1,259,742 1,622,395 1,717,830 1,889,613 1,946,874 2,099,570 2,920,311 3,149,355 3,244,790 3,569,269 3,779,226 4,867,185 5,840,622 6,298,710 7,138,538 9,448,065 9,734,370 10,707,807 14,601,555 17,846,345 18,896,130 21,415,614 29,203,110 32,123,421 35,692,690 53,539,035 64,246,842 107,078,070 160,617,105 and 321,234,210, with no remainder.

Since 321,234,210 cannot be divided by just 1 and 321,234,210, 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).