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What is the Least Common Multiple of 84786 and 84791?

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 84786 and 84791 is 7189089726.

LCM(84786,84791) = 7189089726

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Least Common Multiple of 84786 and 84791 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 84786 and 84791, than apply into the LCM equation.

GCF(84786,84791) = 1
LCM(84786,84791) = ( 84786 × 84791) / 1
LCM(84786,84791) = 7189089726 / 1
LCM(84786,84791) = 7189089726

Least Common Multiple (LCM) of 84786 and 84791 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 84786 and 84791. First we will calculate the prime factors of 84786 and 84791.

Prime Factorization of 84786

Prime factors of 84786 are 2, 3, 13, 1087. Prime factorization of 84786 in exponential form is:

84786 = 21 × 31 × 131 × 10871

Prime Factorization of 84791

Prime factors of 84791 are 7, 12113. Prime factorization of 84791 in exponential form is:

84791 = 71 × 121131

Now multiplying the highest exponent prime factors to calculate the LCM of 84786 and 84791.

LCM(84786,84791) = 21 × 31 × 131 × 10871 × 71 × 121131
LCM(84786,84791) = 7189089726