Question

7×11×13+13 is a composite number​

Answer 1

Answer:

To prove this, you must show that 7x11x13+13 has more than 2 factors.

Step-by-step explanation:

7x11x13+13

Now, take 13 as common.

13(7x11+1)

= 13(72)

= 13x36x2.

Therefore, 7x11x13+13 is composite as it has more than 2 factors.

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