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    LCM for 70 and 80

    "Least Common Multiple" Calculator
    Least Common Multiple of
    and

    What's the Least Common Multiple (LCM) of 70 and 80?

    Answer

    LCM of 70 and 80 is
    560

    First common multiples: 560; 1,120; 1,680; …

    560 is divisible by both: 560 ÷ 70 = 8, 560 ÷ 80 = 7 — and 8 and 7 share no factor but 1, so no smaller number is. As a common denominator: multiply the top and bottom of x/70 by 8 and of y/80 by 7.

    70 = 2 × 5 × 7

    80 = 24 × 5

    Prime7080Highest power
    222424
    5555
    77—7

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

    LCM = 24 × 5 × 7 = 560

    More with these numbers

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    What is the LCM of 70 and 80? The LCM of 70 and 80 is 560 — the smallest common multiple of both integers.
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    LCM Table

    Number 1Number 2LCM
    7021210
    7080560
    7084420
    70105210
    70110770
    701151,610
    701251,750
    70130910
    701351,890
    701452,030
    701601,120
    701801,260
    701852,590
    701952,730
    702001,400
    702052,870
    70210210
    702153,010
    702301,610
    702401,680
    70245490
    702653,710
    702753,850
    702902,030
    702954,130
    703054,270
    703102,170
    703202,240
    703302,310
    703354,690

    FAQ

    What's the Least Common Multiple (LCM) of 70 and 80?

    LCM of 70 and 80 is 560

    How to find the LCM of 70 and 80 using prime factorization?

    To find the LCM of 70 and 80, find all prime factors of both numbers, then multiply the highest power of each prime factor. The result is 560.

    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 70 and 80: LCM = 560, GCF = 10.

    See Also