Expain why 3x5x7+5 us a composite number 3XSX7+5​

Question

Expain why
3x5x7+5 us a
composite
number
3XSX7+5​

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1 week 2021-09-14T17:22:10+00:00 2 Answers 0 views 0

Answers ( )

    0
    2021-09-14T17:23:43+00:00

    Answer:

    3×5×7+7=(3×5+1)

    (15+1)×7

    16×7=17×6

    Since (3×5×7+7) can be expressed as a product of primes

    0
    2021-09-14T17:23:49+00:00

    Answer

    = 3 x 5 x 7 + 5

    = 5( 3 x 7 + 1)

    = 5(22)

    As it has 2 factors other than 1 and number itself so it is a composite number,….

    Plz mark as brainlest

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