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What is the Least Common Multiple of 99915 and 99928?

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 99915 and 99928 is 9984306120.

LCM(99915,99928) = 9984306120

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Least Common Multiple of 99915 and 99928 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 99915 and 99928, than apply into the LCM equation.

GCF(99915,99928) = 1
LCM(99915,99928) = ( 99915 × 99928) / 1
LCM(99915,99928) = 9984306120 / 1
LCM(99915,99928) = 9984306120

Least Common Multiple (LCM) of 99915 and 99928 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 99915 and 99928. First we will calculate the prime factors of 99915 and 99928.

Prime Factorization of 99915

Prime factors of 99915 are 3, 5, 6661. Prime factorization of 99915 in exponential form is:

99915 = 31 × 51 × 66611

Prime Factorization of 99928

Prime factors of 99928 are 2, 12491. Prime factorization of 99928 in exponential form is:

99928 = 23 × 124911

Now multiplying the highest exponent prime factors to calculate the LCM of 99915 and 99928.

LCM(99915,99928) = 31 × 51 × 66611 × 23 × 124911
LCM(99915,99928) = 9984306120