Math, asked by srigeedhu9870, 10 months ago

Explain why 7×9×11+9 is composite number

Answers

Answered by tjlngpl2503

1

Answer:

7*9*11+9

= 9*(7*11+1)

= 9*(77+1)

= 9*78

= 9*2*39

= 9*2*3*13

This no. has more than 2 factors

Therefore , the no. is composite

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