Explain why 7x11x15 +15 is a composite number

Question

Explain why 7x11x15 +15 is a composite number

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Vivian 1 month 2021-08-18T19:43:05+00:00 2 Answers 0 views 0

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    0
    2021-08-18T19:44:13+00:00

    = 7×11×15+15

    = 15(7×11+1)

    = 15(77+1)

    = 15(78)

    = 1170

    this is a composite number

    0
    2021-08-18T19:44:32+00:00

    Answer:

    Because it has more than two multiple

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