Q: Is 1,609,344 a Composite Number?

Why is 1,609,344 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 1,609,344 can be evenly divided by 1 2 3 4 6 8 9 11 12 16 18 22 24 32 33 36 44 48 64 66 72 88 96 99 127 128 132 144 176 192 198 254 264 288 352 381 384 396 508 528 576 704 762 792 1,016 1,056 1,143 1,152 1,397 1,408 1,524 1,584 2,032 2,112 2,286 2,794 3,048 3,168 4,064 4,191 4,224 4,572 5,588 6,096 6,336 8,128 8,382 9,144 11,176 12,192 12,573 12,672 16,256 16,764 18,288 22,352 24,384 25,146 33,528 36,576 44,704 48,768 50,292 67,056 73,152 89,408 100,584 134,112 146,304 178,816 201,168 268,224 402,336 536,448 804,672 and 1,609,344, with no remainder.

Since 1,609,344 cannot be divided by just 1 and 1,609,344, 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).