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What is the Least Common Multiple of 51121 and 51138?

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 51121 and 51138 is 2614225698.

LCM(51121,51138) = 2614225698

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Least Common Multiple of 51121 and 51138 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51121 and 51138, than apply into the LCM equation.

GCF(51121,51138) = 1
LCM(51121,51138) = ( 51121 × 51138) / 1
LCM(51121,51138) = 2614225698 / 1
LCM(51121,51138) = 2614225698

Least Common Multiple (LCM) of 51121 and 51138 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51121 and 51138. First we will calculate the prime factors of 51121 and 51138.

Prime Factorization of 51121

Prime factors of 51121 are 7, 67, 109. Prime factorization of 51121 in exponential form is:

51121 = 71 × 671 × 1091

Prime Factorization of 51138

Prime factors of 51138 are 2, 3, 947. Prime factorization of 51138 in exponential form is:

51138 = 21 × 33 × 9471

Now multiplying the highest exponent prime factors to calculate the LCM of 51121 and 51138.

LCM(51121,51138) = 71 × 671 × 1091 × 21 × 33 × 9471
LCM(51121,51138) = 2614225698