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What is the Least Common Multiple of 78795 and 78804?

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 78795 and 78804 is 689929020.

LCM(78795,78804) = 689929020

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Least Common Multiple of 78795 and 78804 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78795 and 78804, than apply into the LCM equation.

GCF(78795,78804) = 9
LCM(78795,78804) = ( 78795 × 78804) / 9
LCM(78795,78804) = 6209361180 / 9
LCM(78795,78804) = 689929020

Least Common Multiple (LCM) of 78795 and 78804 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78795 and 78804. First we will calculate the prime factors of 78795 and 78804.

Prime Factorization of 78795

Prime factors of 78795 are 3, 5, 17, 103. Prime factorization of 78795 in exponential form is:

78795 = 32 × 51 × 171 × 1031

Prime Factorization of 78804

Prime factors of 78804 are 2, 3, 11, 199. Prime factorization of 78804 in exponential form is:

78804 = 22 × 32 × 111 × 1991

Now multiplying the highest exponent prime factors to calculate the LCM of 78795 and 78804.

LCM(78795,78804) = 32 × 51 × 171 × 1031 × 22 × 111 × 1991
LCM(78795,78804) = 689929020