Q: Is 2,179,128 a Composite Number?

Why is 2,179,128 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 2,179,128 can be evenly divided by 1 2 3 4 6 7 8 12 14 17 21 24 28 34 42 49 51 56 68 84 98 102 109 119 136 147 168 196 204 218 238 294 327 357 392 408 436 476 588 654 714 763 833 872 952 1,176 1,308 1,428 1,526 1,666 1,853 2,289 2,499 2,616 2,856 3,052 3,332 3,706 4,578 4,998 5,341 5,559 6,104 6,664 7,412 9,156 9,996 10,682 11,118 12,971 14,824 16,023 18,312 19,992 21,364 22,236 25,942 32,046 38,913 42,728 44,472 51,884 64,092 77,826 90,797 103,768 128,184 155,652 181,594 272,391 311,304 363,188 544,782 726,376 1,089,564 and 2,179,128, with no remainder.

Since 2,179,128 cannot be divided by just 1 and 2,179,128, 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).