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  • #21570
    Pinaki Biswas
    Participant

    If HCF(a,b)=1, then prove that LCM(a,b)=ab.

    #21578
    Tarit Goswami
    Moderator

    Well, we know from childhood that, gcd(a,b )*lcm(a,b)=ab. From here, as, gcd(a,b)=1 we will have lcm(a,b)=ab.

    • This reply was modified 8 months, 2 weeks ago by  Tarit Goswami.
    • This reply was modified 8 months, 2 weeks ago by  Tarit Goswami.
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