Subject

    Quantitative Aptitude

    Topic

    Number

    The product of the two prime numbers is 493. What will the L.C.M of these two numbers?

    ক)
    493
    খ)
    17
    গ)
    29
    ঘ)
    Can’t be determined
    ঙ)
    none of these

    Explanation

    We know that, If there are two numbers a and b, Then, a × b = LCM of (a, b) × HCF of (a, b) According to the question a × b = 493 And we know that HCF for two prime numbers is = 1 So,   493 = LCM of (a, b) × 1 ⇒ LCM of (a, b) = 493 Hint: L.C.M. of some prime numbers is always the product of those numbers.

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