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What is the Least Common Multiple of 28946 and 28956?

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 28946 and 28956 is 419080188.

LCM(28946,28956) = 419080188

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Least Common Multiple of 28946 and 28956 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28946 and 28956, than apply into the LCM equation.

GCF(28946,28956) = 2
LCM(28946,28956) = ( 28946 × 28956) / 2
LCM(28946,28956) = 838160376 / 2
LCM(28946,28956) = 419080188

Least Common Multiple (LCM) of 28946 and 28956 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28946 and 28956. First we will calculate the prime factors of 28946 and 28956.

Prime Factorization of 28946

Prime factors of 28946 are 2, 41, 353. Prime factorization of 28946 in exponential form is:

28946 = 21 × 411 × 3531

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

Now multiplying the highest exponent prime factors to calculate the LCM of 28946 and 28956.

LCM(28946,28956) = 22 × 411 × 3531 × 31 × 191 × 1271
LCM(28946,28956) = 419080188