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What is the Least Common Multiple of 78927 and 78942?

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 78927 and 78942 is 2076885078.

LCM(78927,78942) = 2076885078

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Least Common Multiple of 78927 and 78942 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78927 and 78942, than apply into the LCM equation.

GCF(78927,78942) = 3
LCM(78927,78942) = ( 78927 × 78942) / 3
LCM(78927,78942) = 6230655234 / 3
LCM(78927,78942) = 2076885078

Least Common Multiple (LCM) of 78927 and 78942 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78927 and 78942. First we will calculate the prime factors of 78927 and 78942.

Prime Factorization of 78927

Prime factors of 78927 are 3, 26309. Prime factorization of 78927 in exponential form is:

78927 = 31 × 263091

Prime Factorization of 78942

Prime factors of 78942 are 2, 3, 59, 223. Prime factorization of 78942 in exponential form is:

78942 = 21 × 31 × 591 × 2231

Now multiplying the highest exponent prime factors to calculate the LCM of 78927 and 78942.

LCM(78927,78942) = 31 × 263091 × 21 × 591 × 2231
LCM(78927,78942) = 2076885078