MathsFactors of 81 – Prime Factorization and Factor Tree

Factors of 81 – Prime Factorization and Factor Tree

Prime Factorization of 81

The prime factorization of 81 is 3 x 3 x 3 x 3.

factors of 81

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    What are the Factors of 81?

    The factors of 81 are 1, 3, 9, 27, 81.

    Factors of 81 in Pairs

    There are six factors of 81 in pairs: 1, 3, 9, 27, 81, 243.

    Prime Factor Tree of 81

    1

    3

    9

    27

    81

    Calculate Factors of 81 by Prime Factorization Method

    The prime factorization of 81 is 3 x 3 x 3 x 9.

    Prime factorization of 81

    81 = 3 × 3 × 3 × 11

    Negative Factors of 81

    1. Lack of sunlight
    2. Limited fresh food
    3. Elevated levels of air pollution
    4. High levels of noise pollution
    5. Lack of recreational spaces
    6. Traffic congestion
    7. Limited green space
    8. Poor public transportation
    9. Limited employment opportunities
    10. High cost of living

    Factors of 81 in Pairs

    1, 3, 9, 27, 81

    Number of factors of 81

    There are six factors of 81: 1, 3, 9, 27, 81, 243.

    The highest common factor of 81

    and 144

    The highest common factor of 81 and 144 is 12.

    Highlights of Factors of 81

    -The number 81 is a composite number, which means that it is made up of smaller numbers. In this case, the smaller numbers are 3 and 27.

    -81 is also a square number, because it is the result of multiplying a number (3) by itself (3).

    -The number 81 is also a triangular number, because it is the result of adding up the numbers 1 through 9.

    -The number 81 is also a Fibonacci number, because it is the result of adding the two previous Fibonacci numbers together.

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