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What is the Least Common Multiple of 27540 and 27548?

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 27540 and 27548 is 189667980.

LCM(27540,27548) = 189667980

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Least Common Multiple of 27540 and 27548 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 27540 and 27548, than apply into the LCM equation.

GCF(27540,27548) = 4
LCM(27540,27548) = ( 27540 × 27548) / 4
LCM(27540,27548) = 758671920 / 4
LCM(27540,27548) = 189667980

Least Common Multiple (LCM) of 27540 and 27548 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27540 and 27548. First we will calculate the prime factors of 27540 and 27548.

Prime Factorization of 27540

Prime factors of 27540 are 2, 3, 5, 17. Prime factorization of 27540 in exponential form is:

27540 = 22 × 34 × 51 × 171

Prime Factorization of 27548

Prime factors of 27548 are 2, 71, 97. Prime factorization of 27548 in exponential form is:

27548 = 22 × 711 × 971

Now multiplying the highest exponent prime factors to calculate the LCM of 27540 and 27548.

LCM(27540,27548) = 22 × 34 × 51 × 171 × 711 × 971
LCM(27540,27548) = 189667980