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What is the Least Common Multiple of 78038 and 78056?

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 78038 and 78056 is 3045667064.

LCM(78038,78056) = 3045667064

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Least Common Multiple of 78038 and 78056 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78038 and 78056, than apply into the LCM equation.

GCF(78038,78056) = 2
LCM(78038,78056) = ( 78038 × 78056) / 2
LCM(78038,78056) = 6091334128 / 2
LCM(78038,78056) = 3045667064

Least Common Multiple (LCM) of 78038 and 78056 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78038 and 78056. First we will calculate the prime factors of 78038 and 78056.

Prime Factorization of 78038

Prime factors of 78038 are 2, 39019. Prime factorization of 78038 in exponential form is:

78038 = 21 × 390191

Prime Factorization of 78056

Prime factors of 78056 are 2, 11, 887. Prime factorization of 78056 in exponential form is:

78056 = 23 × 111 × 8871

Now multiplying the highest exponent prime factors to calculate the LCM of 78038 and 78056.

LCM(78038,78056) = 23 × 390191 × 111 × 8871
LCM(78038,78056) = 3045667064