Question

Explain why are composite number
(1) 1x 13 x 17 + 13, and (ii) 7x 6 5 x 4x3 x 2 x 1 + 6
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Answer 1

Answer:

those which are divisible with more than one nomber

Answer 2

Answer:

here is your explanation:

1) 1 x 13 x 17 + 13 = 13 x 17 + 13

= 221 + 13= 234

here the factors of 234 are more than one and the number itself. eg: 2 is also a factor of 234 so that's why it is regarded as a composite number.

now, moving on to (2)

2) 7 x 6 x 5 x 4 x 3 x 2 x 1 + 6= 5040 + 6= 5046

here also you can see that the solution has more than 2 factors and so we can also call this as a composite number.

composite numbers are those which have more factors than just 1 and the number itself, and here the result has more factors so that is why we call it as composite numbers

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