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What is the Least Common Multiple of 27424 and 27428?

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 27424 and 27428 is 188046368.

LCM(27424,27428) = 188046368

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Least Common Multiple of 27424 and 27428 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 27424 and 27428, than apply into the LCM equation.

GCF(27424,27428) = 4
LCM(27424,27428) = ( 27424 × 27428) / 4
LCM(27424,27428) = 752185472 / 4
LCM(27424,27428) = 188046368

Least Common Multiple (LCM) of 27424 and 27428 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27424 and 27428. First we will calculate the prime factors of 27424 and 27428.

Prime Factorization of 27424

Prime factors of 27424 are 2, 857. Prime factorization of 27424 in exponential form is:

27424 = 25 × 8571

Prime Factorization of 27428

Prime factors of 27428 are 2, 6857. Prime factorization of 27428 in exponential form is:

27428 = 22 × 68571

Now multiplying the highest exponent prime factors to calculate the LCM of 27424 and 27428.

LCM(27424,27428) = 25 × 8571 × 68571
LCM(27424,27428) = 188046368