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What is the Least Common Multiple of 71124 and 71142?

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 71124 and 71142 is 843317268.

LCM(71124,71142) = 843317268

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Least Common Multiple of 71124 and 71142 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71124 and 71142, than apply into the LCM equation.

GCF(71124,71142) = 6
LCM(71124,71142) = ( 71124 × 71142) / 6
LCM(71124,71142) = 5059903608 / 6
LCM(71124,71142) = 843317268

Least Common Multiple (LCM) of 71124 and 71142 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71124 and 71142. First we will calculate the prime factors of 71124 and 71142.

Prime Factorization of 71124

Prime factors of 71124 are 2, 3, 5927. Prime factorization of 71124 in exponential form is:

71124 = 22 × 31 × 59271

Prime Factorization of 71142

Prime factors of 71142 are 2, 3, 71, 167. Prime factorization of 71142 in exponential form is:

71142 = 21 × 31 × 711 × 1671

Now multiplying the highest exponent prime factors to calculate the LCM of 71124 and 71142.

LCM(71124,71142) = 22 × 31 × 59271 × 711 × 1671
LCM(71124,71142) = 843317268