Question

Explain why 7 x 11 x 13 + 13 and 7 x6x5x4x3x2x1 +5 are composite numbers.​

Answer 1

Answer:

given,

7*11*13+13

13(7*11+1)

13(77+1)

13(78)=1014

7*6*5*4*3*2*1+5

5(7*6*1*4*3*2*1+1)

5(1008+1)

5(1009)=5045

1014 and 5045 have more than two factors

so they are composite numbers

Step-by-step explanation:

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