1. 510 and 92 510 = 2 × 3 × 5 × 17 92 = 2 × 2 × 23 HCF = 2 LCM = 2 × 2 × 3 × 5 × 17 × 23 = 23460 Product of the two numbers = 510 × 92 = 46920 HCF × LCM = 2 × 23460 = 46920 Hence, product of two numbers = HCF × LCM see this 👇

    510 and 92
    510 = 2 × 3 × 5 × 17
    92 = 2 × 2 × 23
    HCF = 2
    LCM = 2 × 2 × 3 × 5 × 17 × 23 = 23460
    Product of the two numbers = 510 × 92 = 46920
    HCF × LCM = 2 × 23460 = 46920
    Hence, product of two numbers = HCF × LCM

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    • -1
  2. 336 and 54 336 = 2 × 2 × 2 × 2 × 3 × 7 = 2⁴ × 3 × 7 54 = 2 × 3 × 3 × 3 = 2 × 3³ HCF = 2 × 3 = 6 LCM = 2⁴ × 3³ × 7 = 3024 Product of the two numbers = 336 × 54 = 18144 HCF × LCM = 6 × 3024 = 18144 Hence, product of two numbers = HCF × LCM See this 👇

    336 and 54
    336 = 2 × 2 × 2 × 2 × 3 × 7 = 2⁴ × 3 × 7
    54 = 2 × 3 × 3 × 3 = 2 × 3³
    HCF = 2 × 3 = 6
    LCM = 2⁴ × 3³ × 7 = 3024
    Product of the two numbers = 336 × 54 = 18144
    HCF × LCM = 6 × 3024 = 18144
    Hence, product of two numbers = HCF × LCM

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    • 2
  3. 12, 15 and 21 12 = 2 × 2 × 3 = 2² × 3 15 = 3 × 5 21 = 3 × 7 HCF = 3 LCM = 2² × 3 × 5 × 7 = 420 Video Solution 👇

    12, 15 and 21
    12 = 2 × 2 × 3 = 2² × 3
    15 = 3 × 5
    21 = 3 × 7
    HCF = 3
    LCM = 2² × 3 × 5 × 7 = 420

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  4. 17, 23 and 29 17 = 1 × 17 23 = 1 × 23 29 = 1 × 29 HCF = 1 LCM = 17 × 23 × 29 = 11339 see this 👇

    17, 23 and 29
    17 = 1 × 17
    23 = 1 × 23
    29 = 1 × 29
    HCF = 1
    LCM = 17 × 23 × 29 = 11339

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    • 2
  5. 8, 9 and 25 8 = 2 × 2 × 2 = 2³ 9 = 3 × 3 = 3² 25 = 5 × 5 = 5² HCF = 1 LCM = 2³ × 3² × 5² = 8 × 9 × 25 = 1800 See this 👇

    8, 9 and 25
    8 = 2 × 2 × 2 = 2³
    9 = 3 × 3 = 3²
    25 = 5 × 5 = 5²
    HCF = 1
    LCM = 2³ × 3² × 5² = 8 × 9 × 25 = 1800

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    • 4