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What is the Least Common Multiple of 87868 and 87888?

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 87868 and 87888 is 1930635696.

LCM(87868,87888) = 1930635696

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Least Common Multiple of 87868 and 87888 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87868 and 87888, than apply into the LCM equation.

GCF(87868,87888) = 4
LCM(87868,87888) = ( 87868 × 87888) / 4
LCM(87868,87888) = 7722542784 / 4
LCM(87868,87888) = 1930635696

Least Common Multiple (LCM) of 87868 and 87888 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87868 and 87888. First we will calculate the prime factors of 87868 and 87888.

Prime Factorization of 87868

Prime factors of 87868 are 2, 11, 1997. Prime factorization of 87868 in exponential form is:

87868 = 22 × 111 × 19971

Prime Factorization of 87888

Prime factors of 87888 are 2, 3, 1831. Prime factorization of 87888 in exponential form is:

87888 = 24 × 31 × 18311

Now multiplying the highest exponent prime factors to calculate the LCM of 87868 and 87888.

LCM(87868,87888) = 24 × 111 × 19971 × 31 × 18311
LCM(87868,87888) = 1930635696