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What is the Least Common Multiple of 4687 and 4691?

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 4687 and 4691 is 21986717.

LCM(4687,4691) = 21986717

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Least Common Multiple of 4687 and 4691 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4687 and 4691, than apply into the LCM equation.

GCF(4687,4691) = 1
LCM(4687,4691) = ( 4687 × 4691) / 1
LCM(4687,4691) = 21986717 / 1
LCM(4687,4691) = 21986717

Least Common Multiple (LCM) of 4687 and 4691 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4687 and 4691. First we will calculate the prime factors of 4687 and 4691.

Prime Factorization of 4687

Prime factors of 4687 are 43, 109. Prime factorization of 4687 in exponential form is:

4687 = 431 × 1091

Prime Factorization of 4691

Prime factors of 4691 are 4691. Prime factorization of 4691 in exponential form is:

4691 = 46911

Now multiplying the highest exponent prime factors to calculate the LCM of 4687 and 4691.

LCM(4687,4691) = 431 × 1091 × 46911
LCM(4687,4691) = 21986717