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What is the Least Common Multiple of 33131 and 33138?

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 33131 and 33138 is 156842154.

LCM(33131,33138) = 156842154

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Least Common Multiple of 33131 and 33138 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 33131 and 33138, than apply into the LCM equation.

GCF(33131,33138) = 7
LCM(33131,33138) = ( 33131 × 33138) / 7
LCM(33131,33138) = 1097895078 / 7
LCM(33131,33138) = 156842154

Least Common Multiple (LCM) of 33131 and 33138 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 33131 and 33138. First we will calculate the prime factors of 33131 and 33138.

Prime Factorization of 33131

Prime factors of 33131 are 7, 4733. Prime factorization of 33131 in exponential form is:

33131 = 71 × 47331

Prime Factorization of 33138

Prime factors of 33138 are 2, 3, 7, 263. Prime factorization of 33138 in exponential form is:

33138 = 21 × 32 × 71 × 2631

Now multiplying the highest exponent prime factors to calculate the LCM of 33131 and 33138.

LCM(33131,33138) = 71 × 47331 × 21 × 32 × 2631
LCM(33131,33138) = 156842154