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What is the Least Common Multiple of 28956 and 28966?

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 28956 and 28966 is 419369748.

LCM(28956,28966) = 419369748

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Least Common Multiple of 28956 and 28966 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28956 and 28966, than apply into the LCM equation.

GCF(28956,28966) = 2
LCM(28956,28966) = ( 28956 × 28966) / 2
LCM(28956,28966) = 838739496 / 2
LCM(28956,28966) = 419369748

Least Common Multiple (LCM) of 28956 and 28966 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28956 and 28966. First we will calculate the prime factors of 28956 and 28966.

Prime Factorization of 28956

Prime factors of 28956 are 2, 3, 19, 127. Prime factorization of 28956 in exponential form is:

28956 = 22 × 31 × 191 × 1271

Prime Factorization of 28966

Prime factors of 28966 are 2, 7, 2069. Prime factorization of 28966 in exponential form is:

28966 = 21 × 71 × 20691

Now multiplying the highest exponent prime factors to calculate the LCM of 28956 and 28966.

LCM(28956,28966) = 22 × 31 × 191 × 1271 × 71 × 20691
LCM(28956,28966) = 419369748