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What is the Least Common Multiple of 87843 and 87861?

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 87843 and 87861 is 2572657941.

LCM(87843,87861) = 2572657941

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Least Common Multiple of 87843 and 87861 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87843 and 87861, than apply into the LCM equation.

GCF(87843,87861) = 3
LCM(87843,87861) = ( 87843 × 87861) / 3
LCM(87843,87861) = 7717973823 / 3
LCM(87843,87861) = 2572657941

Least Common Multiple (LCM) of 87843 and 87861 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87843 and 87861. First we will calculate the prime factors of 87843 and 87861.

Prime Factorization of 87843

Prime factors of 87843 are 3, 7, 47, 89. Prime factorization of 87843 in exponential form is:

87843 = 31 × 71 × 471 × 891

Prime Factorization of 87861

Prime factors of 87861 are 3, 29287. Prime factorization of 87861 in exponential form is:

87861 = 31 × 292871

Now multiplying the highest exponent prime factors to calculate the LCM of 87843 and 87861.

LCM(87843,87861) = 31 × 71 × 471 × 891 × 292871
LCM(87843,87861) = 2572657941