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What is the Least Common Multiple of 78786 and 78791?

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 78786 and 78791 is 6207627726.

LCM(78786,78791) = 6207627726

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Least Common Multiple of 78786 and 78791 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78786 and 78791, than apply into the LCM equation.

GCF(78786,78791) = 1
LCM(78786,78791) = ( 78786 × 78791) / 1
LCM(78786,78791) = 6207627726 / 1
LCM(78786,78791) = 6207627726

Least Common Multiple (LCM) of 78786 and 78791 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78786 and 78791. First we will calculate the prime factors of 78786 and 78791.

Prime Factorization of 78786

Prime factors of 78786 are 2, 3, 1459. Prime factorization of 78786 in exponential form is:

78786 = 21 × 33 × 14591

Prime Factorization of 78791

Prime factors of 78791 are 78791. Prime factorization of 78791 in exponential form is:

78791 = 787911

Now multiplying the highest exponent prime factors to calculate the LCM of 78786 and 78791.

LCM(78786,78791) = 21 × 33 × 14591 × 787911
LCM(78786,78791) = 6207627726