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What is the Least Common Multiple of 6142 and 6146?

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 6142 and 6146 is 18874366.

LCM(6142,6146) = 18874366

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Least Common Multiple of 6142 and 6146 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6142 and 6146, than apply into the LCM equation.

GCF(6142,6146) = 2
LCM(6142,6146) = ( 6142 × 6146) / 2
LCM(6142,6146) = 37748732 / 2
LCM(6142,6146) = 18874366

Least Common Multiple (LCM) of 6142 and 6146 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6142 and 6146. First we will calculate the prime factors of 6142 and 6146.

Prime Factorization of 6142

Prime factors of 6142 are 2, 37, 83. Prime factorization of 6142 in exponential form is:

6142 = 21 × 371 × 831

Prime Factorization of 6146

Prime factors of 6146 are 2, 7, 439. Prime factorization of 6146 in exponential form is:

6146 = 21 × 71 × 4391

Now multiplying the highest exponent prime factors to calculate the LCM of 6142 and 6146.

LCM(6142,6146) = 21 × 371 × 831 × 71 × 4391
LCM(6142,6146) = 18874366