Question

3. Explain why 7 x 11 x 13 + 13 is a compositenumber.​

Answer 1

7×11×13+13

13(7×11+1)

13×(77+1)

13×78

13×13×3×2

Since it has more than two factors (13,3,2,1,13×78 i.e, 1014) is a composite number.

If understood mark my answer as brainliest