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What is the Least Common Multiple of 78811 and 78816?

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 78811 and 78816 is 6211567776.

LCM(78811,78816) = 6211567776

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Least Common Multiple of 78811 and 78816 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78811 and 78816, than apply into the LCM equation.

GCF(78811,78816) = 1
LCM(78811,78816) = ( 78811 × 78816) / 1
LCM(78811,78816) = 6211567776 / 1
LCM(78811,78816) = 6211567776

Least Common Multiple (LCM) of 78811 and 78816 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78811 and 78816. First we will calculate the prime factors of 78811 and 78816.

Prime Factorization of 78811

Prime factors of 78811 are 53, 1487. Prime factorization of 78811 in exponential form is:

78811 = 531 × 14871

Prime Factorization of 78816

Prime factors of 78816 are 2, 3, 821. Prime factorization of 78816 in exponential form is:

78816 = 25 × 31 × 8211

Now multiplying the highest exponent prime factors to calculate the LCM of 78811 and 78816.

LCM(78811,78816) = 531 × 14871 × 25 × 31 × 8211
LCM(78811,78816) = 6211567776