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    GCF (HCF) of 47 and 49

    "Greatest Common Factor" Calculator
    Greatest Common Factor of
    and

    What is the Greatest Common Divisor of 47 and 49?

    Answer

    GCF (HCF) of 47 and 49 is
    1

    Common factors: 1

    Only 1 divides both: 47 and 49 share no prime factor.

    Such numbers are called coprime (relatively prime); their LCM is just the product: 47 × 49 = 2,303.

    47 — prime

    49 = 72

    Prime4749Lowest power
    7—72—
    4747——

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

    GCF = 1

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    What is the GCF (HCF) of 47 and 49. The GCF of 47 and 49 is 1 — 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
    47341
    47351
    47361
    47371
    47381
    47391
    47401
    47411
    47421
    47431
    47441
    47451
    47461
    474747
    47481
    47491
    47501
    47511
    47521
    47531
    47541
    47551
    47561
    47571
    47581
    47591
    47601
    47611
    47621
    47631

    FAQ

    What is the Greatest Common Divisor of 47 and 49?

    GCF (HCF) of 47 and 49 is 1

    How to find the GCF of 47 and 49?

    You can find the GCF of 47 and 49 by listing all factors of both numbers and picking the greatest common one, or by prime factorization. The GCF of 47 and 49 is 1.

    What prime factors do 47 and 49 share?

    47 and 49 have no prime factor in common, so the only integer that divides both of them is 1 and their GCF is 1.

    How does the GCF reduce the fraction 47/49?

    Divide the numerator and the denominator by the GCF 1: 47 ÷ 1 = 47 and 49 ÷ 1 = 49. So 47/49 in lowest terms is 47/49.

    Are 47 and 49 coprime?

    Yes, 47 and 49 are coprime (relatively prime) because their Greatest Common Factor is 1.

    See Also