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What is the Least Common Multiple of 64608 and 64623?

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 64608 and 64623 is 1391720928.

LCM(64608,64623) = 1391720928

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Least Common Multiple of 64608 and 64623 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64608 and 64623, than apply into the LCM equation.

GCF(64608,64623) = 3
LCM(64608,64623) = ( 64608 × 64623) / 3
LCM(64608,64623) = 4175162784 / 3
LCM(64608,64623) = 1391720928

Least Common Multiple (LCM) of 64608 and 64623 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64608 and 64623. First we will calculate the prime factors of 64608 and 64623.

Prime Factorization of 64608

Prime factors of 64608 are 2, 3, 673. Prime factorization of 64608 in exponential form is:

64608 = 25 × 31 × 6731

Prime Factorization of 64623

Prime factors of 64623 are 3, 13, 1657. Prime factorization of 64623 in exponential form is:

64623 = 31 × 131 × 16571

Now multiplying the highest exponent prime factors to calculate the LCM of 64608 and 64623.

LCM(64608,64623) = 25 × 31 × 6731 × 131 × 16571
LCM(64608,64623) = 1391720928