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What is the Least Common Multiple of 26784 and 26790?

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 26784 and 26790 is 119590560.

LCM(26784,26790) = 119590560

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Least Common Multiple of 26784 and 26790 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 26784 and 26790, than apply into the LCM equation.

GCF(26784,26790) = 6
LCM(26784,26790) = ( 26784 × 26790) / 6
LCM(26784,26790) = 717543360 / 6
LCM(26784,26790) = 119590560

Least Common Multiple (LCM) of 26784 and 26790 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 26784 and 26790. First we will calculate the prime factors of 26784 and 26790.

Prime Factorization of 26784

Prime factors of 26784 are 2, 3, 31. Prime factorization of 26784 in exponential form is:

26784 = 25 × 33 × 311

Prime Factorization of 26790

Prime factors of 26790 are 2, 3, 5, 19, 47. Prime factorization of 26790 in exponential form is:

26790 = 21 × 31 × 51 × 191 × 471

Now multiplying the highest exponent prime factors to calculate the LCM of 26784 and 26790.

LCM(26784,26790) = 25 × 33 × 311 × 51 × 191 × 471
LCM(26784,26790) = 119590560