Question

pls solve this 2 questions​

Answer 1

Answer:

Step-by-step explanation:

7×11×13+13= 13(7×11×1+1)

=13×78 since it have more than 2 factors so it is a composite number.

7×6×5×4×3×2×1+5=5(7×6×1×4×3×2+1)

=5×1009

Since it has more than 2factors it is a composite number

In 7 the question take find the LCM of 18 and 12

Answer 2

Here is yr answer ....

In most simplest one ....