Question

The number (11+7x11) is (a)prime number (b) composite number (c) complex number​

Answer 1

Answer:

Step-by-step explanation:

Given 7×11×13+13

=13×(7×11+1)=3×78  

This number is multiple of two integers.Hence it has more than two factors.Hence it is a composite number.

similarly in

7×6×5×4×3 ×2×1+5    

=5(7×6×4×3 ×2×1+1)=5×1009    

This number is multiple of two integers.Hence it has more than two factors.Hence it is a composite number.

Answer 2

Answer:

option b

Step-by-step explanation:

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