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What is the Least Common Multiple of 85671 and 85691?

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 85671 and 85691 is 7341233661.

LCM(85671,85691) = 7341233661

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Least Common Multiple of 85671 and 85691 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85671 and 85691, than apply into the LCM equation.

GCF(85671,85691) = 1
LCM(85671,85691) = ( 85671 × 85691) / 1
LCM(85671,85691) = 7341233661 / 1
LCM(85671,85691) = 7341233661

Least Common Multiple (LCM) of 85671 and 85691 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85671 and 85691. First we will calculate the prime factors of 85671 and 85691.

Prime Factorization of 85671

Prime factors of 85671 are 3, 19, 167. Prime factorization of 85671 in exponential form is:

85671 = 33 × 191 × 1671

Prime Factorization of 85691

Prime factors of 85691 are 85691. Prime factorization of 85691 in exponential form is:

85691 = 856911

Now multiplying the highest exponent prime factors to calculate the LCM of 85671 and 85691.

LCM(85671,85691) = 33 × 191 × 1671 × 856911
LCM(85671,85691) = 7341233661