# What is the Least Common Multiple of 75 and 95?

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 75 and 95 is 1425.

LCM(75,95) = 1425

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## Least Common Multiple of 75 and 95 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 75 and 95, than apply into the LCM equation.

GCF(75,95) = 5
LCM(75,95) = ( 75 × 95) / 5
LCM(75,95) = 7125 / 5
LCM(75,95) = 1425

## Least Common Multiple (LCM) of 75 and 95 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 75 and 95. First we will calculate the prime factors of 75 and 95.

### Prime Factorization of 75

Prime factors of 75 are 3, 5. Prime factorization of 75 in exponential form is:

75 = 31 × 52

### Prime Factorization of 95

Prime factors of 95 are 5, 19. Prime factorization of 95 in exponential form is:

95 = 51 × 191

Now multiplying the highest exponent prime factors to calculate the LCM of 75 and 95.

LCM(75,95) = 31 × 52 × 191
LCM(75,95) = 1425