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What is the Least Common Multiple of 64875 and 64889?

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 64875 and 64889 is 4209673875.

LCM(64875,64889) = 4209673875

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Least Common Multiple of 64875 and 64889 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64875 and 64889, than apply into the LCM equation.

GCF(64875,64889) = 1
LCM(64875,64889) = ( 64875 × 64889) / 1
LCM(64875,64889) = 4209673875 / 1
LCM(64875,64889) = 4209673875

Least Common Multiple (LCM) of 64875 and 64889 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64875 and 64889. First we will calculate the prime factors of 64875 and 64889.

Prime Factorization of 64875

Prime factors of 64875 are 3, 5, 173. Prime factorization of 64875 in exponential form is:

64875 = 31 × 53 × 1731

Prime Factorization of 64889

Prime factors of 64889 are 11, 17, 347. Prime factorization of 64889 in exponential form is:

64889 = 111 × 171 × 3471

Now multiplying the highest exponent prime factors to calculate the LCM of 64875 and 64889.

LCM(64875,64889) = 31 × 53 × 1731 × 111 × 171 × 3471
LCM(64875,64889) = 4209673875