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What is the Least Common Multiple of 27931 and 27948?

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 27931 and 27948 is 45918564.

LCM(27931,27948) = 45918564

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Least Common Multiple of 27931 and 27948 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 27931 and 27948, than apply into the LCM equation.

GCF(27931,27948) = 17
LCM(27931,27948) = ( 27931 × 27948) / 17
LCM(27931,27948) = 780615588 / 17
LCM(27931,27948) = 45918564

Least Common Multiple (LCM) of 27931 and 27948 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27931 and 27948. First we will calculate the prime factors of 27931 and 27948.

Prime Factorization of 27931

Prime factors of 27931 are 17, 31, 53. Prime factorization of 27931 in exponential form is:

27931 = 171 × 311 × 531

Prime Factorization of 27948

Prime factors of 27948 are 2, 3, 17, 137. Prime factorization of 27948 in exponential form is:

27948 = 22 × 31 × 171 × 1371

Now multiplying the highest exponent prime factors to calculate the LCM of 27931 and 27948.

LCM(27931,27948) = 171 × 311 × 531 × 22 × 31 × 1371
LCM(27931,27948) = 45918564