Question

Explain why 7x 11 x 13+13 and 7x6x5x4x3x2x1+5 are composite no.

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Answer 1

Answer:

yes these are composite

Step-by-step explanation:

because the number which can be written as two or more forms are known as composite numbers. 7x11x13+13 can be written as (7x11x13)13 same as with (7x6x5x4x3x2x1)5

Answer 2

Answer:

The numbers which are not prime and numbers having factors other than one and itself are known as composite numbers. So factors are 13 x 13 x 3 x 2 which has the value equal to 1014 and has more than one factor. So it is a composite number. We get 1009 x 5 = 5045 which is a composite number.