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What is the Least Common Multiple of 4038 and 4056?

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 4038 and 4056 is 2729688.

LCM(4038,4056) = 2729688

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Least Common Multiple of 4038 and 4056 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4038 and 4056, than apply into the LCM equation.

GCF(4038,4056) = 6
LCM(4038,4056) = ( 4038 × 4056) / 6
LCM(4038,4056) = 16378128 / 6
LCM(4038,4056) = 2729688

Least Common Multiple (LCM) of 4038 and 4056 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4038 and 4056. First we will calculate the prime factors of 4038 and 4056.

Prime Factorization of 4038

Prime factors of 4038 are 2, 3, 673. Prime factorization of 4038 in exponential form is:

4038 = 21 × 31 × 6731

Prime Factorization of 4056

Prime factors of 4056 are 2, 3, 13. Prime factorization of 4056 in exponential form is:

4056 = 23 × 31 × 132

Now multiplying the highest exponent prime factors to calculate the LCM of 4038 and 4056.

LCM(4038,4056) = 23 × 31 × 6731 × 132
LCM(4038,4056) = 2729688