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What is the Least Common Multiple of 78815 and 78834?

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 78815 and 78834 is 6213301710.

LCM(78815,78834) = 6213301710

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Least Common Multiple of 78815 and 78834 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78815 and 78834, than apply into the LCM equation.

GCF(78815,78834) = 1
LCM(78815,78834) = ( 78815 × 78834) / 1
LCM(78815,78834) = 6213301710 / 1
LCM(78815,78834) = 6213301710

Least Common Multiple (LCM) of 78815 and 78834 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78815 and 78834. First we will calculate the prime factors of 78815 and 78834.

Prime Factorization of 78815

Prime factors of 78815 are 5, 11, 1433. Prime factorization of 78815 in exponential form is:

78815 = 51 × 111 × 14331

Prime Factorization of 78834

Prime factors of 78834 are 2, 3, 7, 1877. Prime factorization of 78834 in exponential form is:

78834 = 21 × 31 × 71 × 18771

Now multiplying the highest exponent prime factors to calculate the LCM of 78815 and 78834.

LCM(78815,78834) = 51 × 111 × 14331 × 21 × 31 × 71 × 18771
LCM(78815,78834) = 6213301710