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Explain why 7×6×5×4×3×2×1+5 and 7×11×13+13 are …

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Explain why 7×6×5×4×3×2×1+5 and 7×11×13+13 are composite numbers

    • Posted by Latha Anil 7 years, 9 months ago

    CBSE > Class 10 > Mathematics
    • 5 answers

    Latha Anil 7 years, 9 months ago

    7×11×13+13=13(7×11+1) It has a factor 13 other than 1 and n( n=any integer) 7×6×5×4×3×2×1+5=5(7×6×4×3×2×1+1) It has a factor 5 other than 1 and n(n=any integer) The numbers with 3 or more factors are composite numbers.Therefore,these 2 numbers are composite numbers

    1Thank You

    Amrit Amrit 7 years, 9 months ago

    So the are composite no.

    0Thank You

    Amrit Amrit 7 years, 9 months ago

    Both have more than two factor...

    1Thank You

    ब्राहम्ण Boy 7 years, 9 months ago

    It is very easy just know as about composite number and do an example related to this and you can easily solve this question

    0Thank You

    Avni Kankaria 7 years, 9 months ago

    Take 5(7×6×1×4×3×2×1)+1 Take 13 (7×11×1)+1

    0Thank You

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