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What is the Least Common Multiple of 74543 and 74562?

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 74543 and 74562 is 5558075166.

LCM(74543,74562) = 5558075166

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Least Common Multiple of 74543 and 74562 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74543 and 74562, than apply into the LCM equation.

GCF(74543,74562) = 1
LCM(74543,74562) = ( 74543 × 74562) / 1
LCM(74543,74562) = 5558075166 / 1
LCM(74543,74562) = 5558075166

Least Common Multiple (LCM) of 74543 and 74562 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74543 and 74562. First we will calculate the prime factors of 74543 and 74562.

Prime Factorization of 74543

Prime factors of 74543 are 7, 23, 463. Prime factorization of 74543 in exponential form is:

74543 = 71 × 231 × 4631

Prime Factorization of 74562

Prime factors of 74562 are 2, 3, 17, 43. Prime factorization of 74562 in exponential form is:

74562 = 21 × 31 × 172 × 431

Now multiplying the highest exponent prime factors to calculate the LCM of 74543 and 74562.

LCM(74543,74562) = 71 × 231 × 4631 × 21 × 31 × 172 × 431
LCM(74543,74562) = 5558075166