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What is the Least Common Multiple of 31779 and 31789?

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 31779 and 31789 is 1010222631.

LCM(31779,31789) = 1010222631

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Least Common Multiple of 31779 and 31789 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31779 and 31789, than apply into the LCM equation.

GCF(31779,31789) = 1
LCM(31779,31789) = ( 31779 × 31789) / 1
LCM(31779,31789) = 1010222631 / 1
LCM(31779,31789) = 1010222631

Least Common Multiple (LCM) of 31779 and 31789 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31779 and 31789. First we will calculate the prime factors of 31779 and 31789.

Prime Factorization of 31779

Prime factors of 31779 are 3, 11, 107. Prime factorization of 31779 in exponential form is:

31779 = 33 × 111 × 1071

Prime Factorization of 31789

Prime factors of 31789 are 83, 383. Prime factorization of 31789 in exponential form is:

31789 = 831 × 3831

Now multiplying the highest exponent prime factors to calculate the LCM of 31779 and 31789.

LCM(31779,31789) = 33 × 111 × 1071 × 831 × 3831
LCM(31779,31789) = 1010222631