Q: Is 1,557,248 a Composite Number?

Why is 1,557,248 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 1,557,248 can be evenly divided by 1 2 4 7 8 11 14 16 22 28 32 44 56 64 77 79 88 112 128 154 158 176 224 256 308 316 352 448 553 616 632 704 869 896 1,106 1,232 1,264 1,408 1,738 1,792 2,212 2,464 2,528 2,816 3,476 4,424 4,928 5,056 6,083 6,952 8,848 9,856 10,112 12,166 13,904 17,696 19,712 20,224 24,332 27,808 35,392 48,664 55,616 70,784 97,328 111,232 141,568 194,656 222,464 389,312 778,624 and 1,557,248, with no remainder.

Since 1,557,248 cannot be divided by just 1 and 1,557,248, 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).