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What is the Least Common Multiple of 65915 and 65928?

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 65915 and 65928 is 4345644120.

LCM(65915,65928) = 4345644120

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Least Common Multiple of 65915 and 65928 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65915 and 65928, than apply into the LCM equation.

GCF(65915,65928) = 1
LCM(65915,65928) = ( 65915 × 65928) / 1
LCM(65915,65928) = 4345644120 / 1
LCM(65915,65928) = 4345644120

Least Common Multiple (LCM) of 65915 and 65928 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65915 and 65928. First we will calculate the prime factors of 65915 and 65928.

Prime Factorization of 65915

Prime factors of 65915 are 5, 13183. Prime factorization of 65915 in exponential form is:

65915 = 51 × 131831

Prime Factorization of 65928

Prime factors of 65928 are 2, 3, 41, 67. Prime factorization of 65928 in exponential form is:

65928 = 23 × 31 × 411 × 671

Now multiplying the highest exponent prime factors to calculate the LCM of 65915 and 65928.

LCM(65915,65928) = 51 × 131831 × 23 × 31 × 411 × 671
LCM(65915,65928) = 4345644120