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What is the Least Common Multiple of 8118 and 8138?

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 8118 and 8138 is 33032142.

LCM(8118,8138) = 33032142

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Least Common Multiple of 8118 and 8138 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8118 and 8138, than apply into the LCM equation.

GCF(8118,8138) = 2
LCM(8118,8138) = ( 8118 × 8138) / 2
LCM(8118,8138) = 66064284 / 2
LCM(8118,8138) = 33032142

Least Common Multiple (LCM) of 8118 and 8138 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8118 and 8138. First we will calculate the prime factors of 8118 and 8138.

Prime Factorization of 8118

Prime factors of 8118 are 2, 3, 11, 41. Prime factorization of 8118 in exponential form is:

8118 = 21 × 32 × 111 × 411

Prime Factorization of 8138

Prime factors of 8138 are 2, 13, 313. Prime factorization of 8138 in exponential form is:

8138 = 21 × 131 × 3131

Now multiplying the highest exponent prime factors to calculate the LCM of 8118 and 8138.

LCM(8118,8138) = 21 × 32 × 111 × 411 × 131 × 3131
LCM(8118,8138) = 33032142