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What is the Least Common Multiple of 80854 and 80872?

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 80854 and 80872 is 3269412344.

LCM(80854,80872) = 3269412344

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Least Common Multiple of 80854 and 80872 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80854 and 80872, than apply into the LCM equation.

GCF(80854,80872) = 2
LCM(80854,80872) = ( 80854 × 80872) / 2
LCM(80854,80872) = 6538824688 / 2
LCM(80854,80872) = 3269412344

Least Common Multiple (LCM) of 80854 and 80872 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80854 and 80872. First we will calculate the prime factors of 80854 and 80872.

Prime Factorization of 80854

Prime factors of 80854 are 2, 40427. Prime factorization of 80854 in exponential form is:

80854 = 21 × 404271

Prime Factorization of 80872

Prime factors of 80872 are 2, 11, 919. Prime factorization of 80872 in exponential form is:

80872 = 23 × 111 × 9191

Now multiplying the highest exponent prime factors to calculate the LCM of 80854 and 80872.

LCM(80854,80872) = 23 × 404271 × 111 × 9191
LCM(80854,80872) = 3269412344