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If the LCM and HCF of two numbers are equal, then the numbers must be OptionsComposite Numbers Prime NumbersEqualCo- prime Numbers

Question

If the LCM and HCF of two numbers are equal, then the numbers must be OptionsComposite Numbers Prime NumbersEqualCo- prime Numbers

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Solution

Para resolver esta pregunta, sigamos los siguientes pasos:

  1. Definiciones:

    • LCM (Least Common Multiple): Es el menor múltiplo común de dos números.
    • HCF (Highest Common Factor): Es el mayor factor común de dos números.
  2. Propiedad:

    • Existe una propiedad matemática que dice que el producto de dos números es igual al producto de su LCM y su HCF.
    • Es decir, si a a y b b son dos números, entonces a×b=LCM(a,b)×HCF(a,b) a \times b = LCM(a, b) \times HCF(a, b) .
  3. Condición dada:

    • En el problema se menciona que el LCM y el HCF de dos números son iguales.
    • Entonces, LCM(a,b)=HCF(a,b) LCM(a, b) = HCF(a, b) .
  4. Implicación:

    • Si LCM(a,b)=HCF(a,b) LCM(a, b) = HCF(a, b) , llamemos a este valor común k k .
    • Entonces, a×b=k×k a \times b = k \times k , lo que implica que a×b=k2 a \times b = k^2 .
  5. Conclusión:

    • Para que el producto de dos números sea un cuadrado perfecto (como k2 k^2 ), los números a a y b b deben ser iguales.
    • Por lo tanto, los números deben ser iguales.

La respuesta correcta es: Equal.

This problem has been solved

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