Explain why 1*2*3*4*5*6*7+5 is a composite number ?
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it is a composite. no because of the following :-
[(1*2*3*4*5*6*7)+5]
=>5[(1*2*3*4*6*7)+1]
so here 5is the common factor in both the nose therefore it is a composite no.
[(1*2*3*4*5*6*7)+5]
=>5[(1*2*3*4*6*7)+1]
so here 5is the common factor in both the nose therefore it is a composite no.
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