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What is the Least Common Multiple of 81169 and 81178?

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 81169 and 81178 is 6589137082.

LCM(81169,81178) = 6589137082

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Least Common Multiple of 81169 and 81178 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81169 and 81178, than apply into the LCM equation.

GCF(81169,81178) = 1
LCM(81169,81178) = ( 81169 × 81178) / 1
LCM(81169,81178) = 6589137082 / 1
LCM(81169,81178) = 6589137082

Least Common Multiple (LCM) of 81169 and 81178 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81169 and 81178. First we will calculate the prime factors of 81169 and 81178.

Prime Factorization of 81169

Prime factors of 81169 are 11, 47, 157. Prime factorization of 81169 in exponential form is:

81169 = 111 × 471 × 1571

Prime Factorization of 81178

Prime factors of 81178 are 2, 37, 1097. Prime factorization of 81178 in exponential form is:

81178 = 21 × 371 × 10971

Now multiplying the highest exponent prime factors to calculate the LCM of 81169 and 81178.

LCM(81169,81178) = 111 × 471 × 1571 × 21 × 371 × 10971
LCM(81169,81178) = 6589137082