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What is the Least Common Multiple of 78091 and 78104?

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 78091 and 78104 is 469170728.

LCM(78091,78104) = 469170728

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Least Common Multiple of 78091 and 78104 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78091 and 78104, than apply into the LCM equation.

GCF(78091,78104) = 13
LCM(78091,78104) = ( 78091 × 78104) / 13
LCM(78091,78104) = 6099219464 / 13
LCM(78091,78104) = 469170728

Least Common Multiple (LCM) of 78091 and 78104 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78091 and 78104. First we will calculate the prime factors of 78091 and 78104.

Prime Factorization of 78091

Prime factors of 78091 are 13, 6007. Prime factorization of 78091 in exponential form is:

78091 = 131 × 60071

Prime Factorization of 78104

Prime factors of 78104 are 2, 13, 751. Prime factorization of 78104 in exponential form is:

78104 = 23 × 131 × 7511

Now multiplying the highest exponent prime factors to calculate the LCM of 78091 and 78104.

LCM(78091,78104) = 131 × 60071 × 23 × 7511
LCM(78091,78104) = 469170728