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What is the Least Common Multiple of 66144 and 66158?

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 66144 and 66158 is 2187977376.

LCM(66144,66158) = 2187977376

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Least Common Multiple of 66144 and 66158 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66144 and 66158, than apply into the LCM equation.

GCF(66144,66158) = 2
LCM(66144,66158) = ( 66144 × 66158) / 2
LCM(66144,66158) = 4375954752 / 2
LCM(66144,66158) = 2187977376

Least Common Multiple (LCM) of 66144 and 66158 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66144 and 66158. First we will calculate the prime factors of 66144 and 66158.

Prime Factorization of 66144

Prime factors of 66144 are 2, 3, 13, 53. Prime factorization of 66144 in exponential form is:

66144 = 25 × 31 × 131 × 531

Prime Factorization of 66158

Prime factors of 66158 are 2, 19, 1741. Prime factorization of 66158 in exponential form is:

66158 = 21 × 191 × 17411

Now multiplying the highest exponent prime factors to calculate the LCM of 66144 and 66158.

LCM(66144,66158) = 25 × 31 × 131 × 531 × 191 × 17411
LCM(66144,66158) = 2187977376