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What is the Least Common Multiple of 68373 and 68391?

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 68373 and 68391 is 519566427.

LCM(68373,68391) = 519566427

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Least Common Multiple of 68373 and 68391 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68373 and 68391, than apply into the LCM equation.

GCF(68373,68391) = 9
LCM(68373,68391) = ( 68373 × 68391) / 9
LCM(68373,68391) = 4676097843 / 9
LCM(68373,68391) = 519566427

Least Common Multiple (LCM) of 68373 and 68391 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68373 and 68391. First we will calculate the prime factors of 68373 and 68391.

Prime Factorization of 68373

Prime factors of 68373 are 3, 71, 107. Prime factorization of 68373 in exponential form is:

68373 = 32 × 711 × 1071

Prime Factorization of 68391

Prime factors of 68391 are 3, 17, 149. Prime factorization of 68391 in exponential form is:

68391 = 33 × 171 × 1491

Now multiplying the highest exponent prime factors to calculate the LCM of 68373 and 68391.

LCM(68373,68391) = 33 × 711 × 1071 × 171 × 1491
LCM(68373,68391) = 519566427