explain why 2*5*7+7 and 3*5*7*13+13 are composite numbers
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Answer:
2*5*7+7= 7(2*5*+1)
It is a composite no. as it comes in the table of 7.
3*5*7*13+13 = 13(3*5*7+1)
It is composite no. as it is a multiple of 13.
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Multiple entries will disqualify the entrant name is a good time to get the latest
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