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What is the Least Common Multiple of 38943 and 38947?

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 38943 and 38947 is 1516713021.

LCM(38943,38947) = 1516713021

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Least Common Multiple of 38943 and 38947 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38943 and 38947, than apply into the LCM equation.

GCF(38943,38947) = 1
LCM(38943,38947) = ( 38943 × 38947) / 1
LCM(38943,38947) = 1516713021 / 1
LCM(38943,38947) = 1516713021

Least Common Multiple (LCM) of 38943 and 38947 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38943 and 38947. First we will calculate the prime factors of 38943 and 38947.

Prime Factorization of 38943

Prime factors of 38943 are 3, 4327. Prime factorization of 38943 in exponential form is:

38943 = 32 × 43271

Prime Factorization of 38947

Prime factors of 38947 are 17, 29, 79. Prime factorization of 38947 in exponential form is:

38947 = 171 × 291 × 791

Now multiplying the highest exponent prime factors to calculate the LCM of 38943 and 38947.

LCM(38943,38947) = 32 × 43271 × 171 × 291 × 791
LCM(38943,38947) = 1516713021