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What is the Least Common Multiple of 55861 and 55874?

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 55861 and 55874 is 240090578.

LCM(55861,55874) = 240090578

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Least Common Multiple of 55861 and 55874 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55861 and 55874, than apply into the LCM equation.

GCF(55861,55874) = 13
LCM(55861,55874) = ( 55861 × 55874) / 13
LCM(55861,55874) = 3121177514 / 13
LCM(55861,55874) = 240090578

Least Common Multiple (LCM) of 55861 and 55874 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55861 and 55874. First we will calculate the prime factors of 55861 and 55874.

Prime Factorization of 55861

Prime factors of 55861 are 13, 4297. Prime factorization of 55861 in exponential form is:

55861 = 131 × 42971

Prime Factorization of 55874

Prime factors of 55874 are 2, 7, 13, 307. Prime factorization of 55874 in exponential form is:

55874 = 21 × 71 × 131 × 3071

Now multiplying the highest exponent prime factors to calculate the LCM of 55861 and 55874.

LCM(55861,55874) = 131 × 42971 × 21 × 71 × 3071
LCM(55861,55874) = 240090578