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What is the Least Common Multiple of 27742 and 27755?

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 27755 is 59229170.

LCM(27742,27755) = 59229170

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Least Common Multiple of 27742 and 27755 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 27755, than apply into the LCM equation.

GCF(27742,27755) = 13
LCM(27742,27755) = ( 27742 × 27755) / 13
LCM(27742,27755) = 769979210 / 13
LCM(27742,27755) = 59229170

Least Common Multiple (LCM) of 27742 and 27755 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27742 and 27755. First we will calculate the prime factors of 27742 and 27755.

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 27755

Prime factors of 27755 are 5, 7, 13, 61. Prime factorization of 27755 in exponential form is:

27755 = 51 × 71 × 131 × 611

Now multiplying the highest exponent prime factors to calculate the LCM of 27742 and 27755.

LCM(27742,27755) = 21 × 111 × 131 × 971 × 51 × 71 × 611
LCM(27742,27755) = 59229170