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    LCM for 42 and 126

    "Least Common Multiple" Calculator
    Least Common Multiple of
    and

    What's the Least Common Multiple (LCM) of 42 and 126?

    Answer

    LCM of 42 and 126 is
    126

    First common multiples: 126, 252, 378, …

    As a common denominator: multiply the top and bottom of x/42 by 3.

    42 divides 126 (126 ÷ 42 = 3), so the LCM is the larger number itself.

    42 = 2 × 3 × 7

    126 = 2 × 32 × 7

    Prime42126Highest power
    2222
    333232
    7777

    LCM = 2 × 32 × 7 = 126

    More with these numbers

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    What is the LCM of 42 and 126? The LCM of 42 and 126 is 126 — the smallest common multiple of both integers.
    https://calculat.io/en/number/least-common-multiple-lcm-of/42--126/generated.jpgCopy

    LCM Table

    Number 1Number 2LCM
    422884
    4244924
    4245630
    4248336
    4249294
    42501,050
    42521,092
    42532,226
    4256168
    42581,218
    4260420
    4263126
    42652,730
    4270210
    4272504
    42801,680
    428484
    42861,806
    4290630
    4296672
    4298294
    421002,100
    42105210
    42126126
    421,3652,730

    FAQ

    What's the Least Common Multiple (LCM) of 42 and 126?

    LCM of 42 and 126 is 126

    How to find the LCM of 42 and 126 using prime factorization?

    To find the LCM of 42 and 126, find all prime factors of both numbers, then multiply the highest power of each prime factor. The result is 126.

    What is the difference between LCM and GCF?

    LCM (Least Common Multiple) is the smallest number divisible by both numbers, while GCF (Greatest Common Factor) is the largest number that divides both. For 42 and 126: LCM = 126, GCF = 42.

    See Also