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What is the Least Common Multiple of 27878 and 27894?

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 27878 and 27894 is 388814466.

LCM(27878,27894) = 388814466

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Least Common Multiple of 27878 and 27894 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 27878 and 27894, than apply into the LCM equation.

GCF(27878,27894) = 2
LCM(27878,27894) = ( 27878 × 27894) / 2
LCM(27878,27894) = 777628932 / 2
LCM(27878,27894) = 388814466

Least Common Multiple (LCM) of 27878 and 27894 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27878 and 27894. First we will calculate the prime factors of 27878 and 27894.

Prime Factorization of 27878

Prime factors of 27878 are 2, 53, 263. Prime factorization of 27878 in exponential form is:

27878 = 21 × 531 × 2631

Prime Factorization of 27894

Prime factors of 27894 are 2, 3, 4649. Prime factorization of 27894 in exponential form is:

27894 = 21 × 31 × 46491

Now multiplying the highest exponent prime factors to calculate the LCM of 27878 and 27894.

LCM(27878,27894) = 21 × 531 × 2631 × 31 × 46491
LCM(27878,27894) = 388814466