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    LCM for 220 and 420

    "Least Common Multiple" Calculator
    Least Common Multiple of
    and

    What's the Least Common Multiple (LCM) of 220 and 420?

    Answer

    LCM of 220 and 420 is
    4,620

    First common multiples: 4,620; 9,240; 13,860; …

    4,620 is divisible by both: 4,620 ÷ 220 = 21; 4,620 ÷ 420 = 11 — and 21 and 11 share no factor but 1, so no smaller number is. As a common denominator: multiply the top and bottom of x/220 by 21 and of y/420 by 11.

    220 = 22 × 5 × 11

    420 = 22 × 3 × 5 × 7

    Prime220420Highest power
    2222222
    3—33
    5555
    7—77
    1111—11

    — = power 0: the prime is not a factor of this number; the LCM takes it from the number that has it.

    LCM = 22 × 3 × 5 × 7 × 11 = 4,620

    More with these numbers

    See Also

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    What is the LCM of 220 and 420? The LCM of 220 and 420 is 4,620 — the smallest common multiple of both integers.
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    LCM Table

    Number 1Number 2LCM
    22040517,820
    22040644,660
    2204078,140
    22040822,440
    22040989,980
    2204109,020
    22041190,420
    22041222,660
    22041390,860
    22041445,540
    22041518,260
    22041622,880
    22041791,740
    2204184,180
    22041992,180
    2204204,620
    22042192,620
    22042246,420
    22042393,060
    22042423,320
    22042518,700
    22042646,860
    22042793,940
    22042823,540
    2204298,580
    2204309,460
    22043194,820
    22043223,760
    22043395,260
    22043447,740

    FAQ

    What's the Least Common Multiple (LCM) of 220 and 420?

    LCM of 220 and 420 is 4,620

    How to find the LCM of 220 and 420 using prime factorization?

    To find the LCM of 220 and 420, find all prime factors of both numbers, then multiply the highest power of each prime factor. The result is 4,620.

    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 220 and 420: LCM = 4,620, GCF = 20.

    See Also