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    LCM for 80 and 84

    "Least Common Multiple" Calculator
    Least Common Multiple of
    and

    What's the Least Common Multiple (LCM) of 80 and 84?

    Answer

    LCM of 80 and 84 is
    1,680

    (One thousand six hundred eighty)

    Finding LCM for 80 and 84 using GCF of these numbers

    The first method to find LCM for numbers 80 and 84 is to find Greatest Common Factor (GCF) of these numbers. Here's the formula:

    LCM = (Number1 × Number2) ÷ GCF

    GCF of numbers 80 and 84 is 4, so

    LCM = (80 × 84) ÷ 4

    LCM = 6,720 ÷ 4

    LCM = 1,680

    Finding LCM for 80 and 84 by Listing Multiples

    The second method to find LCM for numbers 80 and 84 is to list out the common multiples for both numbers and pick the first one that matches:

    Multiples of 80: 80, 160, 240, 320, 400, 480, 560, 640, 720, 800, 880, 960, 1,040, 1,120, 1,200, 1,280, 1,360, 1,440, 1,520, 1,600, 1,680, 1,760, 1,840

    Multiples of 84: 84, 168, 252, 336, 420, 504, 588, 672, 756, 840, 924, 1,008, 1,092, 1,176, 1,260, 1,344, 1,428, 1,512, 1,596, 1,680, 1,764, 1,848

    So the LCM for 80 and 84 is 1,680

    Finding LCM for 80 and 84 by Prime Factorization

    Another method to find LCM for numbers 80 and 84 is to list all Prime Factors for both numbers and multiply the highest exponent prime factors:

    All Prime Factors of 80: 2, 2, 2, 2, 5 (exponent form: 24, 51)

    All Prime Factors of 84: 2, 2, 3, 7 (exponent form: 22, 31, 71)

    24 × 51 × 31 × 71 = 1,680

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    What is the LCM of 80 and 84?. The LCM of 80 and 84 is 1,680 — the smallest common multiple of both integers.
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    LCM Table

    Number 1Number 2LCM
    802080
    80841,680
    8090720
    8096480
    80112560
    801151,840
    80120240
    801252,000
    801301,040
    80144720
    801452,320
    801501,200
    801552,480
    80160160
    801652,640
    801752,800
    80180720
    801852,960
    80200400
    802053,280
    802101,680
    802153,440
    802301,840
    80240240
    802453,920
    802554,080
    802702,160
    802754,400
    802854,560
    802902,320

    About "Least Common Multiple" Calculator

    This calculator will help you find the Least Common Multiple (LCM) of two numbers. For example, it can help you find out what's the Least Common Multiple (LCM) of 80 and 84? (The answer is: 1,680). Select the first number (e.g. '80') and the second number (e.g. '84'). After that hit the 'Calculate' button.
    Least Common Multiple (LCM) also known as the Lowest Common Multiple or Smallest Common Multiple of 2 numbers - it is the smallest positive integer that is divisible by both numbers
    "Least Common Multiple" Calculator
    Least Common Multiple of
    and

    FAQ

    What's the Least Common Multiple (LCM) of 80 and 84?

    LCM of 80 and 84 is 1,680

    How to find the LCM of 80 and 84 using prime factorization?

    To find the LCM of 80 and 84, find all prime factors of both numbers, then multiply the highest power of each prime factor. The result is 1,680.

    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 80 and 84: LCM = 1,680, GCF = 4.

    See Also