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What is the Least Common Multiple of 12546 and 12558?

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 12546 and 12558 is 26258778.

LCM(12546,12558) = 26258778

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Least Common Multiple of 12546 and 12558 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12546 and 12558, than apply into the LCM equation.

GCF(12546,12558) = 6
LCM(12546,12558) = ( 12546 × 12558) / 6
LCM(12546,12558) = 157552668 / 6
LCM(12546,12558) = 26258778

Least Common Multiple (LCM) of 12546 and 12558 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12546 and 12558. First we will calculate the prime factors of 12546 and 12558.

Prime Factorization of 12546

Prime factors of 12546 are 2, 3, 17, 41. Prime factorization of 12546 in exponential form is:

12546 = 21 × 32 × 171 × 411

Prime Factorization of 12558

Prime factors of 12558 are 2, 3, 7, 13, 23. Prime factorization of 12558 in exponential form is:

12558 = 21 × 31 × 71 × 131 × 231

Now multiplying the highest exponent prime factors to calculate the LCM of 12546 and 12558.

LCM(12546,12558) = 21 × 32 × 171 × 411 × 71 × 131 × 231
LCM(12546,12558) = 26258778