Question

(iii) Explain why 3×5×7+7 is composite numbers?​

Answer 1

Answer:

Solution :

We have,

Now,

So, it is the product of prime factors 2 and 7 i.e., it has more than two factor Hence, it is composite number

Step-by-step explanation:

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Answer 2

By usind bedmas rule

15×7+7

105 +7

112

112 is a composite number beacause it can divisible bu 2, 4,7, 8 or more