LCM को निकाले अपने मन में ! | LCM Trick

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  • Опубликовано: 5 авг 2024
  • LCM stands for ‘Least Common Multiple’. To put simply, LCM of numbers is the least
    number which is completely divisible by each of the numbers. For example, 15 is divisible by
    3 and 5.
    Prime Factorization
    Here, we multiply the prime factors with the highest powers to get the LCM as shown below:
    To get LCM of 18, 24, 60 and 150, we write down the prime factors with highest powers.
    18 = 3×3×2 = 32×21
    24 = 3×2×2×2 = 31×23
    60 = 3×2×2×5 = 31×22×51
    150 = 3×2×5×5 = 31×21×52
    HCF stands for ‘Highest Common Factor’. To put simply, HCF of two (or more) numbers
    is the highest number that divides each of the numbers completely. For example in case of
    two numbers, 18 and 24, ‘6’ is their HCF. Why? Because no other number greater than ‘6’
    divides 18 and 24 completely
    Prime Factorization: In this method, all the numbers are broken down to their prime factors.
    And, then common prime factors are multiplied to obtain HCF. To find the HCF of 1365,
    1560 and 1755:
    Note: Prime factors are the numbers which divide the number completely and are themselves
    prime numbers. Prime numbers are numbers that don’t come in the table of any number but 1.
    Like 11 is a prime number.
    Let’s find prime factors of 1365, 1560 and 1755:
    1365: 5×3×7×13
    1560: 5×3×2×2×2×13
    1755: 5×3×3×3×13
    Enjoy!
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    0:00 - Intr
    0:30 - Concept
    0:59 - Trick
    2:00 - Example 2
    3:03 - Example 3
    4:02 - Practice Ques
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    Thank You...

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