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What is the Least Common Multiple of 55845 and 55861?

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 55845 and 55861 is 3119557545.

LCM(55845,55861) = 3119557545

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Least Common Multiple of 55845 and 55861 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55845 and 55861, than apply into the LCM equation.

GCF(55845,55861) = 1
LCM(55845,55861) = ( 55845 × 55861) / 1
LCM(55845,55861) = 3119557545 / 1
LCM(55845,55861) = 3119557545

Least Common Multiple (LCM) of 55845 and 55861 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55845 and 55861. First we will calculate the prime factors of 55845 and 55861.

Prime Factorization of 55845

Prime factors of 55845 are 3, 5, 17, 73. Prime factorization of 55845 in exponential form is:

55845 = 32 × 51 × 171 × 731

Prime Factorization of 55861

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

55861 = 131 × 42971

Now multiplying the highest exponent prime factors to calculate the LCM of 55845 and 55861.

LCM(55845,55861) = 32 × 51 × 171 × 731 × 131 × 42971
LCM(55845,55861) = 3119557545