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What is the Least Common Multiple of 83742 and 83758?

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 83742 and 83758 is 3507031218.

LCM(83742,83758) = 3507031218

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Least Common Multiple of 83742 and 83758 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83742 and 83758, than apply into the LCM equation.

GCF(83742,83758) = 2
LCM(83742,83758) = ( 83742 × 83758) / 2
LCM(83742,83758) = 7014062436 / 2
LCM(83742,83758) = 3507031218

Least Common Multiple (LCM) of 83742 and 83758 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83742 and 83758. First we will calculate the prime factors of 83742 and 83758.

Prime Factorization of 83742

Prime factors of 83742 are 2, 3, 17, 821. Prime factorization of 83742 in exponential form is:

83742 = 21 × 31 × 171 × 8211

Prime Factorization of 83758

Prime factors of 83758 are 2, 41879. Prime factorization of 83758 in exponential form is:

83758 = 21 × 418791

Now multiplying the highest exponent prime factors to calculate the LCM of 83742 and 83758.

LCM(83742,83758) = 21 × 31 × 171 × 8211 × 418791
LCM(83742,83758) = 3507031218