Q: Is 1,386,624 a Composite Number?

Why is 1,386,624 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 1,386,624 can be evenly divided by 1 2 3 4 6 8 12 16 23 24 32 46 48 64 69 92 96 128 138 157 184 192 276 314 368 384 471 552 628 736 942 1,104 1,256 1,472 1,884 2,208 2,512 2,944 3,611 3,768 4,416 5,024 7,222 7,536 8,832 10,048 10,833 14,444 15,072 20,096 21,666 28,888 30,144 43,332 57,776 60,288 86,664 115,552 173,328 231,104 346,656 462,208 693,312 and 1,386,624, with no remainder.

Since 1,386,624 cannot be divided by just 1 and 1,386,624, 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).