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What is the Least Common Multiple of 85649 and 85661?

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 85649 and 85661 is 7336778989.

LCM(85649,85661) = 7336778989

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Least Common Multiple of 85649 and 85661 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85649 and 85661, than apply into the LCM equation.

GCF(85649,85661) = 1
LCM(85649,85661) = ( 85649 × 85661) / 1
LCM(85649,85661) = 7336778989 / 1
LCM(85649,85661) = 7336778989

Least Common Multiple (LCM) of 85649 and 85661 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85649 and 85661. First we will calculate the prime factors of 85649 and 85661.

Prime Factorization of 85649

Prime factors of 85649 are 41, 2089. Prime factorization of 85649 in exponential form is:

85649 = 411 × 20891

Prime Factorization of 85661

Prime factors of 85661 are 85661. Prime factorization of 85661 in exponential form is:

85661 = 856611

Now multiplying the highest exponent prime factors to calculate the LCM of 85649 and 85661.

LCM(85649,85661) = 411 × 20891 × 856611
LCM(85649,85661) = 7336778989