composite numbers with examples, Composite Numbers | Explain why Given numbers are composite Chapter 1: Real Numbers Maths Class 10 solutions are developed for assisting understudies with working on their score and increase knowledge of the subjects. Question 6. Explain why 7 × 11 × 13 + 13 and 7 × 6 × 5 × 4 × 3 × 2 × 1 + 5 are composite numbers. is solved by our expert teachers. You can get ncert solutions and notes for class 10 chapter 1 absolutely free. NCERT Solutions for class 10 Maths Chapter 1: Real Numbers is very essencial for getting good marks in CBSE Board examinations
Answer:
7 × 11 × 13 + 13
Take 13 common there we get
13 (7 x 11 +1 )
13(77 + 1 )
13 (78)
It is product of two numbers and both numbers are more than 1 so it is a composite number
7 × 6 × 5 × 4 × 3 × 2 × 1 + 5
Take 5 common there we get
5(7 x 6 x 4 x 3 x 2 x 1 +1)
5(1008 +1)
5(1009)
It is product of two numbers and both numbers are more than 1 so it is a composite number
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