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    LCM for 15 and 77

    "Least Common Multiple" Calculator
    Least Common Multiple of
    and

    What's the Least Common Multiple (LCM) of 15 and 77?

    Answer

    LCM of 15 and 77 is
    1,155

    (One thousand one hundred fifty-five)

    Finding LCM for 15 and 77 using GCF of these numbers

    The first method to find LCM for numbers 15 and 77 is to find Greatest Common Factor (GCF) of these numbers. Here's the formula:

    LCM = (Number1 × Number2) ÷ GCF

    GCF of numbers 15 and 77 is 1, so

    LCM = (15 × 77) ÷ 1

    LCM = 1,155 ÷ 1

    LCM = 1,155

    Finding LCM for 15 and 77 by Listing Multiples

    The second method to find LCM for numbers 15 and 77 is to list out the common multiples for both numbers and pick the first one that matches:

    Multiples of 15: 15, 30, 45, 60, 75, 90, 105, 120, 135, 150, 165, 180, 195, 210, 225, 240, 255, 270, 285, 300, 315, 330, 345, 360, 375, 390, 405, 420, 435, 450, 465, 480, 495, 510, 525, 540, 555, 570, 585, 600, 615, 630, 645, 660, 675, 690, 705, 720, 735, 750, 765, 780, 795, 810, 825, 840, 855, 870, 885, 900, 915, 930, 945, 960, 975, 990, 1,005, 1,020, 1,035, 1,050, 1,065, 1,080, 1,095, 1,110, 1,125, 1,140, 1,155, 1,170, 1,185

    Multiples of 77: 77, 154, 231, 308, 385, 462, 539, 616, 693, 770, 847, 924, 1,001, 1,078, 1,155, 1,232, 1,309

    So the LCM for 15 and 77 is 1,155

    Finding LCM for 15 and 77 by Prime Factorization

    Another method to find LCM for numbers 15 and 77 is to list all Prime Factors for both numbers and multiply the highest exponent prime factors:

    All Prime Factors of 15: 3, 5 (exponent form: 31, 51)

    All Prime Factors of 77: 7, 11 (exponent form: 71, 111)

    31 × 51 × 71 × 111 = 1,155

    Related Calculations

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    What is the LCM of 15 and 77?. The LCM of 15 and 77 is 1,155 — the smallest common multiple of both integers.
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    LCM Table

    Number 1Number 2LCM
    152575
    1526390
    1527135
    1528420
    153030
    1531465
    1533165
    1534510
    1535105
    1536180
    1537555
    1539195
    1540120
    1543645
    154545
    1546690
    1547705
    1550150
    1551255
    1552780
    1554270
    1556840
    1558870
    1559885
    156060
    1564960
    157575
    15771,155
    15100300
    15125375

    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 15 and 77? (The answer is: 1,155). Select the first number (e.g. '15') and the second number (e.g. '77'). 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 15 and 77?

    LCM of 15 and 77 is 1,155

    How to find the LCM of 15 and 77 using prime factorization?

    To find the LCM of 15 and 77, find all prime factors of both numbers, then multiply the highest power of each prime factor. The result is 1,155.

    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 15 and 77: LCM = 1,155, GCF = 1.

    See Also