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What is the Least Common Multiple of 54115 and 54121?

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 54115 and 54121 is 2928757915.

LCM(54115,54121) = 2928757915

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Least Common Multiple of 54115 and 54121 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 54115 and 54121, than apply into the LCM equation.

GCF(54115,54121) = 1
LCM(54115,54121) = ( 54115 × 54121) / 1
LCM(54115,54121) = 2928757915 / 1
LCM(54115,54121) = 2928757915

Least Common Multiple (LCM) of 54115 and 54121 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 54115 and 54121. First we will calculate the prime factors of 54115 and 54121.

Prime Factorization of 54115

Prime factors of 54115 are 5, 79, 137. Prime factorization of 54115 in exponential form is:

54115 = 51 × 791 × 1371

Prime Factorization of 54121

Prime factors of 54121 are 54121. Prime factorization of 54121 in exponential form is:

54121 = 541211

Now multiplying the highest exponent prime factors to calculate the LCM of 54115 and 54121.

LCM(54115,54121) = 51 × 791 × 1371 × 541211
LCM(54115,54121) = 2928757915