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What is the Least Common Multiple of 78558 and 78569?

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 78558 and 78569 is 6172223502.

LCM(78558,78569) = 6172223502

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Least Common Multiple of 78558 and 78569 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78558 and 78569, than apply into the LCM equation.

GCF(78558,78569) = 1
LCM(78558,78569) = ( 78558 × 78569) / 1
LCM(78558,78569) = 6172223502 / 1
LCM(78558,78569) = 6172223502

Least Common Multiple (LCM) of 78558 and 78569 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78558 and 78569. First we will calculate the prime factors of 78558 and 78569.

Prime Factorization of 78558

Prime factors of 78558 are 2, 3, 13093. Prime factorization of 78558 in exponential form is:

78558 = 21 × 31 × 130931

Prime Factorization of 78569

Prime factors of 78569 are 78569. Prime factorization of 78569 in exponential form is:

78569 = 785691

Now multiplying the highest exponent prime factors to calculate the LCM of 78558 and 78569.

LCM(78558,78569) = 21 × 31 × 130931 × 785691
LCM(78558,78569) = 6172223502