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What is the Least Common Multiple of 64908 and 64915?

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 64908 and 64915 is 4213502820.

LCM(64908,64915) = 4213502820

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Least Common Multiple of 64908 and 64915 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64908 and 64915, than apply into the LCM equation.

GCF(64908,64915) = 1
LCM(64908,64915) = ( 64908 × 64915) / 1
LCM(64908,64915) = 4213502820 / 1
LCM(64908,64915) = 4213502820

Least Common Multiple (LCM) of 64908 and 64915 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64908 and 64915. First we will calculate the prime factors of 64908 and 64915.

Prime Factorization of 64908

Prime factors of 64908 are 2, 3, 601. Prime factorization of 64908 in exponential form is:

64908 = 22 × 33 × 6011

Prime Factorization of 64915

Prime factors of 64915 are 5, 12983. Prime factorization of 64915 in exponential form is:

64915 = 51 × 129831

Now multiplying the highest exponent prime factors to calculate the LCM of 64908 and 64915.

LCM(64908,64915) = 22 × 33 × 6011 × 51 × 129831
LCM(64908,64915) = 4213502820