# What is the Least Common Multiple of 60 and 79?

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 60 and 79 is 4740.

LCM(60,79) = 4740

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## Least Common Multiple of 60 and 79 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 60 and 79, than apply into the LCM equation.

GCF(60,79) = 1
LCM(60,79) = ( 60 × 79) / 1
LCM(60,79) = 4740 / 1
LCM(60,79) = 4740

## Least Common Multiple (LCM) of 60 and 79 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 60 and 79. First we will calculate the prime factors of 60 and 79.

### Prime Factorization of 60

Prime factors of 60 are 2, 3, 5. Prime factorization of 60 in exponential form is:

60 = 22 × 31 × 51

### Prime Factorization of 79

Prime factors of 79 are 79. Prime factorization of 79 in exponential form is:

79 = 791

Now multiplying the highest exponent prime factors to calculate the LCM of 60 and 79.

LCM(60,79) = 22 × 31 × 51 × 791
LCM(60,79) = 4740