Question

Prove that 2 into 3 into 5 into 13 into 17 + 13 is a composite number

Answer 1

Answer:

Step-by-step explanation:

2×3×5×13×17+13=composite number

6630+13=composite number

6643=composite number

Answer 2

Answer: It is composite

Step-by-step explanation:

2×3×5×13×17 + 13

= 13× (2×3×5×17 +1)

i.e. 13 is a prime factor of the number not equal to 13

Hence it is composite