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What is the Least Common Multiple of 45069 and 45078?

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 45069 and 45078 is 677206794.

LCM(45069,45078) = 677206794

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Least Common Multiple of 45069 and 45078 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 45069 and 45078, than apply into the LCM equation.

GCF(45069,45078) = 3
LCM(45069,45078) = ( 45069 × 45078) / 3
LCM(45069,45078) = 2031620382 / 3
LCM(45069,45078) = 677206794

Least Common Multiple (LCM) of 45069 and 45078 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 45069 and 45078. First we will calculate the prime factors of 45069 and 45078.

Prime Factorization of 45069

Prime factors of 45069 are 3, 83, 181. Prime factorization of 45069 in exponential form is:

45069 = 31 × 831 × 1811

Prime Factorization of 45078

Prime factors of 45078 are 2, 3, 11, 683. Prime factorization of 45078 in exponential form is:

45078 = 21 × 31 × 111 × 6831

Now multiplying the highest exponent prime factors to calculate the LCM of 45069 and 45078.

LCM(45069,45078) = 31 × 831 × 1811 × 21 × 111 × 6831
LCM(45069,45078) = 677206794