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What is the Least Common Multiple of 78885 and 78896?

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 78885 and 78896 is 6223710960.

LCM(78885,78896) = 6223710960

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Least Common Multiple of 78885 and 78896 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78885 and 78896, than apply into the LCM equation.

GCF(78885,78896) = 1
LCM(78885,78896) = ( 78885 × 78896) / 1
LCM(78885,78896) = 6223710960 / 1
LCM(78885,78896) = 6223710960

Least Common Multiple (LCM) of 78885 and 78896 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78885 and 78896. First we will calculate the prime factors of 78885 and 78896.

Prime Factorization of 78885

Prime factors of 78885 are 3, 5, 1753. Prime factorization of 78885 in exponential form is:

78885 = 32 × 51 × 17531

Prime Factorization of 78896

Prime factors of 78896 are 2, 4931. Prime factorization of 78896 in exponential form is:

78896 = 24 × 49311

Now multiplying the highest exponent prime factors to calculate the LCM of 78885 and 78896.

LCM(78885,78896) = 32 × 51 × 17531 × 24 × 49311
LCM(78885,78896) = 6223710960