rectangular arrays for 8. write prime or composit

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users.ipfw.edu/lamaster/ma101/Rectangular_arrays_and_factors.pdf

composite

To determine whether 8 is prime or composite, we need to understand the definitions of prime and composite numbers.

A prime number is a positive integer greater than 1 that has no positive divisors other than 1 and itself. In other words, a prime number is divisible only by 1 and itself.

On the other hand, a composite number is a positive integer greater than 1 that has at least one positive divisor other than 1 and itself. In other words, a composite number can be divided evenly by more than just 1 and itself.

Now, let's apply this knowledge to determine whether 8 is prime or composite:

We can calculate the factors of 8 by creating a rectangular array. To do this, we need to find pairs of numbers that multiply together to give us 8.

Possible factors of 8:
1 x 8 = 8
2 x 4 = 8

From this, we can see that 8 is divisible by 1, 2, 4, and 8. Since 8 has more than two positive divisors, it is a composite number.

Therefore, the answer is: 8 is a composite number.