Question

Check whether 41X62+31 is composite or not. Justify your answer.

Answer 1

Answer:

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:

Your ans is 2573.

Step-by-step explanation:

41×62+31

2542+31

2573