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What is the Least Common Multiple of 71022 and 71040?

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 71022 and 71040 is 840900480.

LCM(71022,71040) = 840900480

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Least Common Multiple of 71022 and 71040 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71022 and 71040, than apply into the LCM equation.

GCF(71022,71040) = 6
LCM(71022,71040) = ( 71022 × 71040) / 6
LCM(71022,71040) = 5045402880 / 6
LCM(71022,71040) = 840900480

Least Common Multiple (LCM) of 71022 and 71040 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71022 and 71040. First we will calculate the prime factors of 71022 and 71040.

Prime Factorization of 71022

Prime factors of 71022 are 2, 3, 7, 19, 89. Prime factorization of 71022 in exponential form is:

71022 = 21 × 31 × 71 × 191 × 891

Prime Factorization of 71040

Prime factors of 71040 are 2, 3, 5, 37. Prime factorization of 71040 in exponential form is:

71040 = 27 × 31 × 51 × 371

Now multiplying the highest exponent prime factors to calculate the LCM of 71022 and 71040.

LCM(71022,71040) = 27 × 31 × 71 × 191 × 891 × 51 × 371
LCM(71022,71040) = 840900480