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What is the Least Common Multiple of 28134 and 28146?

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 28134 and 28146 is 131976594.

LCM(28134,28146) = 131976594

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Least Common Multiple of 28134 and 28146 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28134 and 28146, than apply into the LCM equation.

GCF(28134,28146) = 6
LCM(28134,28146) = ( 28134 × 28146) / 6
LCM(28134,28146) = 791859564 / 6
LCM(28134,28146) = 131976594

Least Common Multiple (LCM) of 28134 and 28146 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28134 and 28146. First we will calculate the prime factors of 28134 and 28146.

Prime Factorization of 28134

Prime factors of 28134 are 2, 3, 521. Prime factorization of 28134 in exponential form is:

28134 = 21 × 33 × 5211

Prime Factorization of 28146

Prime factors of 28146 are 2, 3, 4691. Prime factorization of 28146 in exponential form is:

28146 = 21 × 31 × 46911

Now multiplying the highest exponent prime factors to calculate the LCM of 28134 and 28146.

LCM(28134,28146) = 21 × 33 × 5211 × 46911
LCM(28134,28146) = 131976594