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What is the Least Common Multiple of 89405 and 89424?

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 89405 and 89424 is 7994952720.

LCM(89405,89424) = 7994952720

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Least Common Multiple of 89405 and 89424 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 89405 and 89424, than apply into the LCM equation.

GCF(89405,89424) = 1
LCM(89405,89424) = ( 89405 × 89424) / 1
LCM(89405,89424) = 7994952720 / 1
LCM(89405,89424) = 7994952720

Least Common Multiple (LCM) of 89405 and 89424 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 89405 and 89424. First we will calculate the prime factors of 89405 and 89424.

Prime Factorization of 89405

Prime factors of 89405 are 5, 17881. Prime factorization of 89405 in exponential form is:

89405 = 51 × 178811

Prime Factorization of 89424

Prime factors of 89424 are 2, 3, 23. Prime factorization of 89424 in exponential form is:

89424 = 24 × 35 × 231

Now multiplying the highest exponent prime factors to calculate the LCM of 89405 and 89424.

LCM(89405,89424) = 51 × 178811 × 24 × 35 × 231
LCM(89405,89424) = 7994952720