Q: Is 2,178,432 a Composite Number?

Why is 2,178,432 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 2,178,432 can be evenly divided by 1 2 3 4 6 8 9 12 16 18 24 31 32 36 48 61 62 64 72 93 96 122 124 128 144 183 186 192 244 248 279 288 366 372 384 488 496 549 558 576 732 744 976 992 1,098 1,116 1,152 1,464 1,488 1,891 1,952 1,984 2,196 2,232 2,928 2,976 3,782 3,904 3,968 4,392 4,464 5,673 5,856 5,952 7,564 7,808 8,784 8,928 11,346 11,712 11,904 15,128 17,019 17,568 17,856 22,692 23,424 30,256 34,038 35,136 35,712 45,384 60,512 68,076 70,272 90,768 121,024 136,152 181,536 242,048 272,304 363,072 544,608 726,144 1,089,216 and 2,178,432, with no remainder.

Since 2,178,432 cannot be divided by just 1 and 2,178,432, 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).