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What is the Least Common Multiple of 10931 and 10947?

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 10931 and 10947 is 119661657.

LCM(10931,10947) = 119661657

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Least Common Multiple of 10931 and 10947 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 10931 and 10947, than apply into the LCM equation.

GCF(10931,10947) = 1
LCM(10931,10947) = ( 10931 × 10947) / 1
LCM(10931,10947) = 119661657 / 1
LCM(10931,10947) = 119661657

Least Common Multiple (LCM) of 10931 and 10947 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 10931 and 10947. First we will calculate the prime factors of 10931 and 10947.

Prime Factorization of 10931

Prime factors of 10931 are 17, 643. Prime factorization of 10931 in exponential form is:

10931 = 171 × 6431

Prime Factorization of 10947

Prime factors of 10947 are 3, 41, 89. Prime factorization of 10947 in exponential form is:

10947 = 31 × 411 × 891

Now multiplying the highest exponent prime factors to calculate the LCM of 10931 and 10947.

LCM(10931,10947) = 171 × 6431 × 31 × 411 × 891
LCM(10931,10947) = 119661657