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What is the Least Common Multiple of 78435 and 78441?

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 78435 and 78441 is 2050839945.

LCM(78435,78441) = 2050839945

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Least Common Multiple of 78435 and 78441 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78435 and 78441, than apply into the LCM equation.

GCF(78435,78441) = 3
LCM(78435,78441) = ( 78435 × 78441) / 3
LCM(78435,78441) = 6152519835 / 3
LCM(78435,78441) = 2050839945

Least Common Multiple (LCM) of 78435 and 78441 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78435 and 78441. First we will calculate the prime factors of 78435 and 78441.

Prime Factorization of 78435

Prime factors of 78435 are 3, 5, 7, 83. Prime factorization of 78435 in exponential form is:

78435 = 33 × 51 × 71 × 831

Prime Factorization of 78441

Prime factors of 78441 are 3, 11, 2377. Prime factorization of 78441 in exponential form is:

78441 = 31 × 111 × 23771

Now multiplying the highest exponent prime factors to calculate the LCM of 78435 and 78441.

LCM(78435,78441) = 33 × 51 × 71 × 831 × 111 × 23771
LCM(78435,78441) = 2050839945