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What is the Least Common Multiple of 4089 and 4109?

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 4089 and 4109 is 16801701.

LCM(4089,4109) = 16801701

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Least Common Multiple of 4089 and 4109 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4089 and 4109, than apply into the LCM equation.

GCF(4089,4109) = 1
LCM(4089,4109) = ( 4089 × 4109) / 1
LCM(4089,4109) = 16801701 / 1
LCM(4089,4109) = 16801701

Least Common Multiple (LCM) of 4089 and 4109 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4089 and 4109. First we will calculate the prime factors of 4089 and 4109.

Prime Factorization of 4089

Prime factors of 4089 are 3, 29, 47. Prime factorization of 4089 in exponential form is:

4089 = 31 × 291 × 471

Prime Factorization of 4109

Prime factors of 4109 are 7, 587. Prime factorization of 4109 in exponential form is:

4109 = 71 × 5871

Now multiplying the highest exponent prime factors to calculate the LCM of 4089 and 4109.

LCM(4089,4109) = 31 × 291 × 471 × 71 × 5871
LCM(4089,4109) = 16801701