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What is the Least Common Multiple of 78617 and 78634?

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 78617 and 78634 is 6181969178.

LCM(78617,78634) = 6181969178

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Least Common Multiple of 78617 and 78634 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78617 and 78634, than apply into the LCM equation.

GCF(78617,78634) = 1
LCM(78617,78634) = ( 78617 × 78634) / 1
LCM(78617,78634) = 6181969178 / 1
LCM(78617,78634) = 6181969178

Least Common Multiple (LCM) of 78617 and 78634 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78617 and 78634. First we will calculate the prime factors of 78617 and 78634.

Prime Factorization of 78617

Prime factors of 78617 are 7, 11, 1021. Prime factorization of 78617 in exponential form is:

78617 = 71 × 111 × 10211

Prime Factorization of 78634

Prime factors of 78634 are 2, 39317. Prime factorization of 78634 in exponential form is:

78634 = 21 × 393171

Now multiplying the highest exponent prime factors to calculate the LCM of 78617 and 78634.

LCM(78617,78634) = 71 × 111 × 10211 × 21 × 393171
LCM(78617,78634) = 6181969178