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What is the Least Common Multiple of 40089 and 40108?

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 40089 and 40108 is 1607889612.

LCM(40089,40108) = 1607889612

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Least Common Multiple of 40089 and 40108 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40089 and 40108, than apply into the LCM equation.

GCF(40089,40108) = 1
LCM(40089,40108) = ( 40089 × 40108) / 1
LCM(40089,40108) = 1607889612 / 1
LCM(40089,40108) = 1607889612

Least Common Multiple (LCM) of 40089 and 40108 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40089 and 40108. First we will calculate the prime factors of 40089 and 40108.

Prime Factorization of 40089

Prime factors of 40089 are 3, 7, 23, 83. Prime factorization of 40089 in exponential form is:

40089 = 31 × 71 × 231 × 831

Prime Factorization of 40108

Prime factors of 40108 are 2, 37, 271. Prime factorization of 40108 in exponential form is:

40108 = 22 × 371 × 2711

Now multiplying the highest exponent prime factors to calculate the LCM of 40089 and 40108.

LCM(40089,40108) = 31 × 71 × 231 × 831 × 22 × 371 × 2711
LCM(40089,40108) = 1607889612