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What is the Least Common Multiple of 78569 and 78589?

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 78569 and 78589 is 6174659141.

LCM(78569,78589) = 6174659141

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Least Common Multiple of 78569 and 78589 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78569 and 78589, than apply into the LCM equation.

GCF(78569,78589) = 1
LCM(78569,78589) = ( 78569 × 78589) / 1
LCM(78569,78589) = 6174659141 / 1
LCM(78569,78589) = 6174659141

Least Common Multiple (LCM) of 78569 and 78589 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78569 and 78589. First we will calculate the prime factors of 78569 and 78589.

Prime Factorization of 78569

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

78569 = 785691

Prime Factorization of 78589

Prime factors of 78589 are 7, 103, 109. Prime factorization of 78589 in exponential form is:

78589 = 71 × 1031 × 1091

Now multiplying the highest exponent prime factors to calculate the LCM of 78569 and 78589.

LCM(78569,78589) = 785691 × 71 × 1031 × 1091
LCM(78569,78589) = 6174659141