Question

7. Explain why 2 x 5 x 7 + 7 and 3 x 5x7x13+13 are composite numbers.​

Answer 1

Answer:

common nos in 1st question is 7 and in 2nd question is 13

Step-by-step explanation:

then write in 7(2×5×1) for question 1

7(10) then 7×10

so you can do this steps till you get p1,p2,p3 form then you can say it's composite

Plz mark brainliest