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What is the Least Common Multiple of 81879 and 81896?

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 81879 and 81896 is 6705562584.

LCM(81879,81896) = 6705562584

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Least Common Multiple of 81879 and 81896 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81879 and 81896, than apply into the LCM equation.

GCF(81879,81896) = 1
LCM(81879,81896) = ( 81879 × 81896) / 1
LCM(81879,81896) = 6705562584 / 1
LCM(81879,81896) = 6705562584

Least Common Multiple (LCM) of 81879 and 81896 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81879 and 81896. First we will calculate the prime factors of 81879 and 81896.

Prime Factorization of 81879

Prime factors of 81879 are 3, 7, 557. Prime factorization of 81879 in exponential form is:

81879 = 31 × 72 × 5571

Prime Factorization of 81896

Prime factors of 81896 are 2, 29, 353. Prime factorization of 81896 in exponential form is:

81896 = 23 × 291 × 3531

Now multiplying the highest exponent prime factors to calculate the LCM of 81879 and 81896.

LCM(81879,81896) = 31 × 72 × 5571 × 23 × 291 × 3531
LCM(81879,81896) = 6705562584