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What is the Least Common Multiple of 78600 and 78611?

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 78600 and 78611 is 6178824600.

LCM(78600,78611) = 6178824600

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Least Common Multiple of 78600 and 78611 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78600 and 78611, than apply into the LCM equation.

GCF(78600,78611) = 1
LCM(78600,78611) = ( 78600 × 78611) / 1
LCM(78600,78611) = 6178824600 / 1
LCM(78600,78611) = 6178824600

Least Common Multiple (LCM) of 78600 and 78611 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78600 and 78611. First we will calculate the prime factors of 78600 and 78611.

Prime Factorization of 78600

Prime factors of 78600 are 2, 3, 5, 131. Prime factorization of 78600 in exponential form is:

78600 = 23 × 31 × 52 × 1311

Prime Factorization of 78611

Prime factors of 78611 are 13, 6047. Prime factorization of 78611 in exponential form is:

78611 = 131 × 60471

Now multiplying the highest exponent prime factors to calculate the LCM of 78600 and 78611.

LCM(78600,78611) = 23 × 31 × 52 × 1311 × 131 × 60471
LCM(78600,78611) = 6178824600