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What is the Least Common Multiple of 3140 and 3144?

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 3140 and 3144 is 2468040.

LCM(3140,3144) = 2468040

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Least Common Multiple of 3140 and 3144 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3140 and 3144, than apply into the LCM equation.

GCF(3140,3144) = 4
LCM(3140,3144) = ( 3140 × 3144) / 4
LCM(3140,3144) = 9872160 / 4
LCM(3140,3144) = 2468040

Least Common Multiple (LCM) of 3140 and 3144 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3140 and 3144. First we will calculate the prime factors of 3140 and 3144.

Prime Factorization of 3140

Prime factors of 3140 are 2, 5, 157. Prime factorization of 3140 in exponential form is:

3140 = 22 × 51 × 1571

Prime Factorization of 3144

Prime factors of 3144 are 2, 3, 131. Prime factorization of 3144 in exponential form is:

3144 = 23 × 31 × 1311

Now multiplying the highest exponent prime factors to calculate the LCM of 3140 and 3144.

LCM(3140,3144) = 23 × 51 × 1571 × 31 × 1311
LCM(3140,3144) = 2468040