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What is the Least Common Multiple of 27742 and 27748?

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 27742 and 27748 is 384892508.

LCM(27742,27748) = 384892508

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Least Common Multiple of 27742 and 27748 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 27742 and 27748, than apply into the LCM equation.

GCF(27742,27748) = 2
LCM(27742,27748) = ( 27742 × 27748) / 2
LCM(27742,27748) = 769785016 / 2
LCM(27742,27748) = 384892508

Least Common Multiple (LCM) of 27742 and 27748 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27742 and 27748. First we will calculate the prime factors of 27742 and 27748.

Prime Factorization of 27742

Prime factors of 27742 are 2, 11, 13, 97. Prime factorization of 27742 in exponential form is:

27742 = 21 × 111 × 131 × 971

Prime Factorization of 27748

Prime factors of 27748 are 2, 7, 991. Prime factorization of 27748 in exponential form is:

27748 = 22 × 71 × 9911

Now multiplying the highest exponent prime factors to calculate the LCM of 27742 and 27748.

LCM(27742,27748) = 22 × 111 × 131 × 971 × 71 × 9911
LCM(27742,27748) = 384892508