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    LCM for 63 and 21

    "Least Common Multiple" Calculator
    Least Common Multiple of
    and

    What's the Least Common Multiple (LCM) of 63 and 21?

    Answer

    LCM of 63 and 21 is
    63

    First common multiples: 63, 126, 189, …

    As a common denominator: multiply the top and bottom of y/21 by 3.

    21 divides 63 (63 ÷ 21 = 3), so the LCM is the larger number itself.

    63 = 32 × 7

    21 = 3 × 7

    Prime6321Highest power
    332332
    7777

    LCM = 32 × 7 = 63

    More with these numbers

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    https://calculat.io/en/number/least-common-multiple-lcm-of/63--21Copy
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    What is the LCM of 63 and 21? The LCM of 63 and 21 is 63 — the smallest common multiple of both integers.
    https://calculat.io/en/number/least-common-multiple-lcm-of/63--21/generated.jpgCopy

    LCM Table

    Number 1Number 2LCM
    636126
    63763
    638504
    63963
    6310630
    6311693
    6312252
    6313819
    6314126
    6315315
    63161,008
    63171,071
    6318126
    63191,197
    63201,260
    632163
    63221,386
    63231,449
    6324504
    63251,575
    63261,638
    6327189
    6328252
    63291,827
    6330630
    63311,953
    63322,016
    6333693
    63342,142
    6335315

    FAQ

    What's the Least Common Multiple (LCM) of 63 and 21?

    LCM of 63 and 21 is 63

    How to find the LCM of 63 and 21 using prime factorization?

    To find the LCM of 63 and 21, find all prime factors of both numbers, then multiply the highest power of each prime factor. The result is 63.

    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 63 and 21: LCM = 63, GCF = 21.

    See Also