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What is the Least Common Multiple of 66115 and 66125?

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 66115 and 66125 is 874370875.

LCM(66115,66125) = 874370875

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Least Common Multiple of 66115 and 66125 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66115 and 66125, than apply into the LCM equation.

GCF(66115,66125) = 5
LCM(66115,66125) = ( 66115 × 66125) / 5
LCM(66115,66125) = 4371854375 / 5
LCM(66115,66125) = 874370875

Least Common Multiple (LCM) of 66115 and 66125 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66115 and 66125. First we will calculate the prime factors of 66115 and 66125.

Prime Factorization of 66115

Prime factors of 66115 are 5, 7, 1889. Prime factorization of 66115 in exponential form is:

66115 = 51 × 71 × 18891

Prime Factorization of 66125

Prime factors of 66125 are 5, 23. Prime factorization of 66125 in exponential form is:

66125 = 53 × 232

Now multiplying the highest exponent prime factors to calculate the LCM of 66115 and 66125.

LCM(66115,66125) = 53 × 71 × 18891 × 232
LCM(66115,66125) = 874370875