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What is the Least Common Multiple of 12144 and 12158?

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 12144 and 12158 is 73823376.

LCM(12144,12158) = 73823376

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Least Common Multiple of 12144 and 12158 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12144 and 12158, than apply into the LCM equation.

GCF(12144,12158) = 2
LCM(12144,12158) = ( 12144 × 12158) / 2
LCM(12144,12158) = 147646752 / 2
LCM(12144,12158) = 73823376

Least Common Multiple (LCM) of 12144 and 12158 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12144 and 12158. First we will calculate the prime factors of 12144 and 12158.

Prime Factorization of 12144

Prime factors of 12144 are 2, 3, 11, 23. Prime factorization of 12144 in exponential form is:

12144 = 24 × 31 × 111 × 231

Prime Factorization of 12158

Prime factors of 12158 are 2, 6079. Prime factorization of 12158 in exponential form is:

12158 = 21 × 60791

Now multiplying the highest exponent prime factors to calculate the LCM of 12144 and 12158.

LCM(12144,12158) = 24 × 31 × 111 × 231 × 60791
LCM(12144,12158) = 73823376