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What is the Least Common Multiple of 87861 and 87869?

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 87861 and 87869 is 7720258209.

LCM(87861,87869) = 7720258209

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Least Common Multiple of 87861 and 87869 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87861 and 87869, than apply into the LCM equation.

GCF(87861,87869) = 1
LCM(87861,87869) = ( 87861 × 87869) / 1
LCM(87861,87869) = 7720258209 / 1
LCM(87861,87869) = 7720258209

Least Common Multiple (LCM) of 87861 and 87869 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87861 and 87869. First we will calculate the prime factors of 87861 and 87869.

Prime Factorization of 87861

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

87861 = 31 × 292871

Prime Factorization of 87869

Prime factors of 87869 are 87869. Prime factorization of 87869 in exponential form is:

87869 = 878691

Now multiplying the highest exponent prime factors to calculate the LCM of 87861 and 87869.

LCM(87861,87869) = 31 × 292871 × 878691
LCM(87861,87869) = 7720258209