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What is the Least Common Multiple of 72102 and 72114?

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 72102 and 72114 is 866593938.

LCM(72102,72114) = 866593938

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Least Common Multiple of 72102 and 72114 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72102 and 72114, than apply into the LCM equation.

GCF(72102,72114) = 6
LCM(72102,72114) = ( 72102 × 72114) / 6
LCM(72102,72114) = 5199563628 / 6
LCM(72102,72114) = 866593938

Least Common Multiple (LCM) of 72102 and 72114 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72102 and 72114. First we will calculate the prime factors of 72102 and 72114.

Prime Factorization of 72102

Prime factors of 72102 are 2, 3, 61, 197. Prime factorization of 72102 in exponential form is:

72102 = 21 × 31 × 611 × 1971

Prime Factorization of 72114

Prime factors of 72114 are 2, 3, 7, 17, 101. Prime factorization of 72114 in exponential form is:

72114 = 21 × 31 × 71 × 171 × 1011

Now multiplying the highest exponent prime factors to calculate the LCM of 72102 and 72114.

LCM(72102,72114) = 21 × 31 × 611 × 1971 × 71 × 171 × 1011
LCM(72102,72114) = 866593938