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    GCF (HCF) of 520 and 240

    "Greatest Common Factor" Calculator
    Greatest Common Factor of
    and

    What is the Greatest Common Divisor of 520 and 240?

    Answer

    GCF (HCF) of 520 and 240 is
    40

    Common factors: 1, 2, 4, 5, 8, 10, 20, 40

    40 divides both: 520 ÷ 40 = 13, 240 ÷ 40 = 6 — and 13 and 6 share no factor but 1, so no larger number divides both.

    520 = 23 × 5 × 13

    240 = 24 × 3 × 5

    Prime520240Lowest power
    2232423
    3—3—
    5555
    1313——

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

    GCF = 23 × 5 = 40

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    What is the GCF (HCF) of 520 and 240. The GCF of 520 and 240 is 40 — the biggest number that can divide both integers. Step-by-step GCF (GCD) calculation by factoring.
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    GCF Table

    Number 1Number 2GCF
    5202255
    5202262
    5202271
    5202284
    5202291
    52023010
    5202311
    5202328
    5202331
    52023426
    5202355
    5202364
    5202371
    5202382
    5202391
    52024040
    5202411
    5202422
    5202431
    5202444
    5202455
    5202462
    52024713
    5202488
    5202491
    52025010
    5202511
    5202524
    5202531
    5202542

    FAQ

    What is the Greatest Common Divisor of 520 and 240?

    GCF (HCF) of 520 and 240 is 40

    How to find the GCF of 520 and 240?

    You can find the GCF of 520 and 240 by listing all factors of both numbers and picking the greatest common one, or by prime factorization. The GCF of 520 and 240 is 40.

    What prime factors do 520 and 240 share?

    The prime factorizations of 520 and 240 have 2 × 2 × 2 × 5 in common, and multiplying those shared primes gives 40 — exactly the greatest common factor.

    How does the GCF reduce the fraction 520/240?

    Divide the numerator and the denominator by the GCF 40: 520 ÷ 40 = 13 and 240 ÷ 40 = 6. So 520/240 in lowest terms is 13/6.

    See Also