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What is the Least Common Multiple of 64885 and 64896?

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 64885 and 64896 is 4210776960.

LCM(64885,64896) = 4210776960

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Least Common Multiple of 64885 and 64896 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64885 and 64896, than apply into the LCM equation.

GCF(64885,64896) = 1
LCM(64885,64896) = ( 64885 × 64896) / 1
LCM(64885,64896) = 4210776960 / 1
LCM(64885,64896) = 4210776960

Least Common Multiple (LCM) of 64885 and 64896 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64885 and 64896. First we will calculate the prime factors of 64885 and 64896.

Prime Factorization of 64885

Prime factors of 64885 are 5, 19, 683. Prime factorization of 64885 in exponential form is:

64885 = 51 × 191 × 6831

Prime Factorization of 64896

Prime factors of 64896 are 2, 3, 13. Prime factorization of 64896 in exponential form is:

64896 = 27 × 31 × 132

Now multiplying the highest exponent prime factors to calculate the LCM of 64885 and 64896.

LCM(64885,64896) = 51 × 191 × 6831 × 27 × 31 × 132
LCM(64885,64896) = 4210776960