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What is the Least Common Multiple of 87885 and 87898?

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 87885 and 87898 is 7724915730.

LCM(87885,87898) = 7724915730

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Least Common Multiple of 87885 and 87898 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87885 and 87898, than apply into the LCM equation.

GCF(87885,87898) = 1
LCM(87885,87898) = ( 87885 × 87898) / 1
LCM(87885,87898) = 7724915730 / 1
LCM(87885,87898) = 7724915730

Least Common Multiple (LCM) of 87885 and 87898 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87885 and 87898. First we will calculate the prime factors of 87885 and 87898.

Prime Factorization of 87885

Prime factors of 87885 are 3, 5, 7, 31. Prime factorization of 87885 in exponential form is:

87885 = 34 × 51 × 71 × 311

Prime Factorization of 87898

Prime factors of 87898 are 2, 71, 619. Prime factorization of 87898 in exponential form is:

87898 = 21 × 711 × 6191

Now multiplying the highest exponent prime factors to calculate the LCM of 87885 and 87898.

LCM(87885,87898) = 34 × 51 × 71 × 311 × 21 × 711 × 6191
LCM(87885,87898) = 7724915730