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What is the Least Common Multiple of 78939 and 78943?

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 78939 and 78943 is 6231681477.

LCM(78939,78943) = 6231681477

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Least Common Multiple of 78939 and 78943 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78939 and 78943, than apply into the LCM equation.

GCF(78939,78943) = 1
LCM(78939,78943) = ( 78939 × 78943) / 1
LCM(78939,78943) = 6231681477 / 1
LCM(78939,78943) = 6231681477

Least Common Multiple (LCM) of 78939 and 78943 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78939 and 78943. First we will calculate the prime factors of 78939 and 78943.

Prime Factorization of 78939

Prime factors of 78939 are 3, 7, 179. Prime factorization of 78939 in exponential form is:

78939 = 32 × 72 × 1791

Prime Factorization of 78943

Prime factors of 78943 are 89, 887. Prime factorization of 78943 in exponential form is:

78943 = 891 × 8871

Now multiplying the highest exponent prime factors to calculate the LCM of 78939 and 78943.

LCM(78939,78943) = 32 × 72 × 1791 × 891 × 8871
LCM(78939,78943) = 6231681477