# What is the Least Common Multiple of 67 and 73?

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 67 and 73 is 4891.

LCM(67,73) = 4891

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## Least Common Multiple of 67 and 73 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67 and 73, than apply into the LCM equation.

GCF(67,73) = 1
LCM(67,73) = ( 67 × 73) / 1
LCM(67,73) = 4891 / 1
LCM(67,73) = 4891

## Least Common Multiple (LCM) of 67 and 73 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67 and 73. First we will calculate the prime factors of 67 and 73.

### Prime Factorization of 67

Prime factors of 67 are 67. Prime factorization of 67 in exponential form is:

67 = 671

### Prime Factorization of 73

Prime factors of 73 are 73. Prime factorization of 73 in exponential form is:

73 = 731

Now multiplying the highest exponent prime factors to calculate the LCM of 67 and 73.

LCM(67,73) = 671 × 731
LCM(67,73) = 4891