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What is the Least Common Multiple of 39542 and 39547?

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 39542 and 39547 is 1563767474.

LCM(39542,39547) = 1563767474

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Least Common Multiple of 39542 and 39547 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39542 and 39547, than apply into the LCM equation.

GCF(39542,39547) = 1
LCM(39542,39547) = ( 39542 × 39547) / 1
LCM(39542,39547) = 1563767474 / 1
LCM(39542,39547) = 1563767474

Least Common Multiple (LCM) of 39542 and 39547 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39542 and 39547. First we will calculate the prime factors of 39542 and 39547.

Prime Factorization of 39542

Prime factors of 39542 are 2, 17, 1163. Prime factorization of 39542 in exponential form is:

39542 = 21 × 171 × 11631

Prime Factorization of 39547

Prime factors of 39547 are 71, 557. Prime factorization of 39547 in exponential form is:

39547 = 711 × 5571

Now multiplying the highest exponent prime factors to calculate the LCM of 39542 and 39547.

LCM(39542,39547) = 21 × 171 × 11631 × 711 × 5571
LCM(39542,39547) = 1563767474