Discussion in 'Basic Math' started by Gabry00, Dec 1, 2021.

  1. Gabry00


    Dec 1, 2021
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    hello, i'm Gabry00, i need a basic math information, that i can't find in any book or forum, i need the max divisor of 36380 and 99360, it's for a math problem, i hope someone answers, byee
    Gabry00, Dec 1, 2021
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  2. Gabry00


    Jun 27, 2021
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    The greatest common divisor (GCD) of two nonzero integers a and b is the greatest positive integer d such that d is a divisor of both a and b; that is, there are integers e and f such that a = de and b = df, and d is the largest such integer. The GCD of a and b is generally denoted gcd(a, b).

    first find prime factors
    36380 = 2^2×5×17×107 (5 prime factors, 4 distinct)
    99360 = 2^5×3^3×5×23 (10 prime factors, 4 distinct)

    you can rewrite primes of 99360 as
    99360 = 2^2*2^3×3^3×5×23

    now compare them and find common factors in both given numbers
    36380 = 2^2×5×17×107
    99360 = 2^2*2^3×3^3×5×23

    so, GCD=2^2×5=20

    answer: gcd(36380, 99360) =20
    MathLover1, Dec 1, 2021
    nycmathguy and HallsofIvy like this.
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