Question

explin why 7*11*13+13 is composite​

Answer 1

as the multiplication of any odd numbers gives an odd number and the addition of odd number + odd number will give an even number but an even number which is not 2 is all are considered as composite numbers .

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Answer 2

Step-by-step explanation:

13(7*11*1+1)

As per fundamental theorem of arthimetic the product of prime no. is composite nos.

So the above theorem functions in this problem.

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