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    GCF for 4, 18 and 24

    "Greatest Common Factor of 3 Numbers" Calculator
    Greatest Common Factor of
    ,
    and

    What's the Greatest Common Factor (GCF) of 4, 18 and 24?

    Answer

    GCF of 4, 18 and 24 is
    2

    Common factors: 1, 2

    2 divides all three: 4 ÷ 2 = 2, 18 ÷ 2 = 9, 24 ÷ 2 = 12 — and 2, 9 and 12 have no factor but 1 common to all of them, so no larger number divides all three.

    4 = 22

    18 = 2 × 32

    24 = 23 × 3

    Prime41824Lowest power
    2222232
    3—323—

    — = power 0: the prime is not a factor of this number, so it cannot be in the GCF.

    GCF = 2

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    https://calculat.io/en/number/greatest-common-factor-of-3-numbers/4--18--24Copy
    <a href="https://calculat.io/en/number/greatest-common-factor-of-3-numbers/4--18--24">What is the GCF of 4, 18 and 24? - Calculatio</a>Copy
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    What is the GCF of 4, 18 and 24? The GCF of 4, 18 and 24 is 2 — the largest number that divides all three with no remainder. Step-by-step solution for three numbers.
    https://calculat.io/en/number/greatest-common-factor-of-3-numbers/4--18--24/generated.jpgCopy

    GCF Table

    1st2nd3rdGCF
    49181
    410182
    411181
    412182
    413181
    414182
    415181
    416182
    417181
    418182
    418191
    418202
    418211
    418222
    418231
    418242
    418251
    418262
    418271
    418282
    418291
    418302
    418311
    418322
    418331
    418342
    418351
    418362
    418371
    418382

    FAQ

    What's the Greatest Common Factor (GCF) of 4, 18 and 24?

    GCF of 4, 18 and 24 is 2

    What prime factors do 4, 18 and 24 share?

    All three factorizations contain 2, and multiplying those shared primes gives 2 — exactly the greatest common factor.

    Can you get the GCF of 4, 18 and 24 two numbers at a time?

    Yes. The GCF of 4 and 18 is 2, and the GCF of 2 and 24 is 2 — the same answer, because the greatest common factor is associative and does not depend on the order of the three numbers.

    How does the GCF simplify the ratio 4 : 18 : 24?

    Divide every term by the GCF 2: 4 ÷ 2 = 2, 18 ÷ 2 = 9 and 24 ÷ 2 = 12. So 4 : 18 : 24 in lowest terms is 2 : 9 : 12, and no whole number other than 1 divides all three of those.

    See Also