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What is the Least Common Multiple of 72894 and 72898?

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 72894 and 72898 is 2656913406.

LCM(72894,72898) = 2656913406

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Least Common Multiple of 72894 and 72898 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72894 and 72898, than apply into the LCM equation.

GCF(72894,72898) = 2
LCM(72894,72898) = ( 72894 × 72898) / 2
LCM(72894,72898) = 5313826812 / 2
LCM(72894,72898) = 2656913406

Least Common Multiple (LCM) of 72894 and 72898 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72894 and 72898. First we will calculate the prime factors of 72894 and 72898.

Prime Factorization of 72894

Prime factors of 72894 are 2, 3, 12149. Prime factorization of 72894 in exponential form is:

72894 = 21 × 31 × 121491

Prime Factorization of 72898

Prime factors of 72898 are 2, 7, 41, 127. Prime factorization of 72898 in exponential form is:

72898 = 21 × 71 × 411 × 1271

Now multiplying the highest exponent prime factors to calculate the LCM of 72894 and 72898.

LCM(72894,72898) = 21 × 31 × 121491 × 71 × 411 × 1271
LCM(72894,72898) = 2656913406