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What is the Least Common Multiple of 12118 and 12128?

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 12118 and 12128 is 73483552.

LCM(12118,12128) = 73483552

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Least Common Multiple of 12118 and 12128 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12118 and 12128, than apply into the LCM equation.

GCF(12118,12128) = 2
LCM(12118,12128) = ( 12118 × 12128) / 2
LCM(12118,12128) = 146967104 / 2
LCM(12118,12128) = 73483552

Least Common Multiple (LCM) of 12118 and 12128 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12118 and 12128. First we will calculate the prime factors of 12118 and 12128.

Prime Factorization of 12118

Prime factors of 12118 are 2, 73, 83. Prime factorization of 12118 in exponential form is:

12118 = 21 × 731 × 831

Prime Factorization of 12128

Prime factors of 12128 are 2, 379. Prime factorization of 12128 in exponential form is:

12128 = 25 × 3791

Now multiplying the highest exponent prime factors to calculate the LCM of 12118 and 12128.

LCM(12118,12128) = 25 × 731 × 831 × 3791
LCM(12118,12128) = 73483552