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What is the Least Common Multiple of 47538 and 47542?

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 47538 and 47542 is 1130025798.

LCM(47538,47542) = 1130025798

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Least Common Multiple of 47538 and 47542 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47538 and 47542, than apply into the LCM equation.

GCF(47538,47542) = 2
LCM(47538,47542) = ( 47538 × 47542) / 2
LCM(47538,47542) = 2260051596 / 2
LCM(47538,47542) = 1130025798

Least Common Multiple (LCM) of 47538 and 47542 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47538 and 47542. First we will calculate the prime factors of 47538 and 47542.

Prime Factorization of 47538

Prime factors of 47538 are 2, 3, 19, 139. Prime factorization of 47538 in exponential form is:

47538 = 21 × 32 × 191 × 1391

Prime Factorization of 47542

Prime factors of 47542 are 2, 11, 2161. Prime factorization of 47542 in exponential form is:

47542 = 21 × 111 × 21611

Now multiplying the highest exponent prime factors to calculate the LCM of 47538 and 47542.

LCM(47538,47542) = 21 × 32 × 191 × 1391 × 111 × 21611
LCM(47538,47542) = 1130025798