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What is the Least Common Multiple of 56985 and 56989?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 56985 and 56989 is 3247518165.

LCM(56985,56989) = 3247518165

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Least Common Multiple of 56985 and 56989 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 56985 and 56989, than apply into the LCM equation.

GCF(56985,56989) = 1
LCM(56985,56989) = ( 56985 × 56989) / 1
LCM(56985,56989) = 3247518165 / 1
LCM(56985,56989) = 3247518165

Least Common Multiple (LCM) of 56985 and 56989 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 56985 and 56989. First we will calculate the prime factors of 56985 and 56989.

Prime Factorization of 56985

Prime factors of 56985 are 3, 5, 29, 131. Prime factorization of 56985 in exponential form is:

56985 = 31 × 51 × 291 × 1311

Prime Factorization of 56989

Prime factors of 56989 are 56989. Prime factorization of 56989 in exponential form is:

56989 = 569891

Now multiplying the highest exponent prime factors to calculate the LCM of 56985 and 56989.

LCM(56985,56989) = 31 × 51 × 291 × 1311 × 569891
LCM(56985,56989) = 3247518165