Math, asked by kuldeeprajput848, 7 months ago

explain why 7 into 11 into 13 into 15 - 15 is a composite number

Answers

Answered by khushimuktiar

6

Step-by-step explanation:

7x11x13x15-15

=15(7x11x13x1-1)

=15(991-1)

=15x990

=15x3^2x2x5x11

We know, the prime factorisation of a composite number is a product of prime numbers.

Hence, it is a composite number.

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