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What is the Least Common Multiple of 71445 and 71449?

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 71445 and 71449 is 5104673805.

LCM(71445,71449) = 5104673805

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Least Common Multiple of 71445 and 71449 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71445 and 71449, than apply into the LCM equation.

GCF(71445,71449) = 1
LCM(71445,71449) = ( 71445 × 71449) / 1
LCM(71445,71449) = 5104673805 / 1
LCM(71445,71449) = 5104673805

Least Common Multiple (LCM) of 71445 and 71449 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71445 and 71449. First we will calculate the prime factors of 71445 and 71449.

Prime Factorization of 71445

Prime factors of 71445 are 3, 5, 11, 433. Prime factorization of 71445 in exponential form is:

71445 = 31 × 51 × 111 × 4331

Prime Factorization of 71449

Prime factors of 71449 are 7, 59, 173. Prime factorization of 71449 in exponential form is:

71449 = 71 × 591 × 1731

Now multiplying the highest exponent prime factors to calculate the LCM of 71445 and 71449.

LCM(71445,71449) = 31 × 51 × 111 × 4331 × 71 × 591 × 1731
LCM(71445,71449) = 5104673805