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What is the Least Common Multiple of 56861 and 56878?

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 56861 and 56878 is 3234139958.

LCM(56861,56878) = 3234139958

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Least Common Multiple of 56861 and 56878 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 56861 and 56878, than apply into the LCM equation.

GCF(56861,56878) = 1
LCM(56861,56878) = ( 56861 × 56878) / 1
LCM(56861,56878) = 3234139958 / 1
LCM(56861,56878) = 3234139958

Least Common Multiple (LCM) of 56861 and 56878 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 56861 and 56878. First we will calculate the prime factors of 56861 and 56878.

Prime Factorization of 56861

Prime factors of 56861 are 7, 8123. Prime factorization of 56861 in exponential form is:

56861 = 71 × 81231

Prime Factorization of 56878

Prime factors of 56878 are 2, 28439. Prime factorization of 56878 in exponential form is:

56878 = 21 × 284391

Now multiplying the highest exponent prime factors to calculate the LCM of 56861 and 56878.

LCM(56861,56878) = 71 × 81231 × 21 × 284391
LCM(56861,56878) = 3234139958