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What is the Least Common Multiple of 3927 and 3938?

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 3927 and 3938 is 1405866.

LCM(3927,3938) = 1405866

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Least Common Multiple of 3927 and 3938 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3927 and 3938, than apply into the LCM equation.

GCF(3927,3938) = 11
LCM(3927,3938) = ( 3927 × 3938) / 11
LCM(3927,3938) = 15464526 / 11
LCM(3927,3938) = 1405866

Least Common Multiple (LCM) of 3927 and 3938 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3927 and 3938. First we will calculate the prime factors of 3927 and 3938.

Prime Factorization of 3927

Prime factors of 3927 are 3, 7, 11, 17. Prime factorization of 3927 in exponential form is:

3927 = 31 × 71 × 111 × 171

Prime Factorization of 3938

Prime factors of 3938 are 2, 11, 179. Prime factorization of 3938 in exponential form is:

3938 = 21 × 111 × 1791

Now multiplying the highest exponent prime factors to calculate the LCM of 3927 and 3938.

LCM(3927,3938) = 31 × 71 × 111 × 171 × 21 × 1791
LCM(3927,3938) = 1405866