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What is the Least Common Multiple of 28766 and 28774?

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 28766 and 28774 is 413856442.

LCM(28766,28774) = 413856442

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Least Common Multiple of 28766 and 28774 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28766 and 28774, than apply into the LCM equation.

GCF(28766,28774) = 2
LCM(28766,28774) = ( 28766 × 28774) / 2
LCM(28766,28774) = 827712884 / 2
LCM(28766,28774) = 413856442

Least Common Multiple (LCM) of 28766 and 28774 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28766 and 28774. First we will calculate the prime factors of 28766 and 28774.

Prime Factorization of 28766

Prime factors of 28766 are 2, 19, 757. Prime factorization of 28766 in exponential form is:

28766 = 21 × 191 × 7571

Prime Factorization of 28774

Prime factors of 28774 are 2, 14387. Prime factorization of 28774 in exponential form is:

28774 = 21 × 143871

Now multiplying the highest exponent prime factors to calculate the LCM of 28766 and 28774.

LCM(28766,28774) = 21 × 191 × 7571 × 143871
LCM(28766,28774) = 413856442