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What is the Least Common Multiple of 51531 and 51538?

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 51531 and 51538 is 2655804678.

LCM(51531,51538) = 2655804678

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Least Common Multiple of 51531 and 51538 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51531 and 51538, than apply into the LCM equation.

GCF(51531,51538) = 1
LCM(51531,51538) = ( 51531 × 51538) / 1
LCM(51531,51538) = 2655804678 / 1
LCM(51531,51538) = 2655804678

Least Common Multiple (LCM) of 51531 and 51538 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51531 and 51538. First we will calculate the prime factors of 51531 and 51538.

Prime Factorization of 51531

Prime factors of 51531 are 3, 89, 193. Prime factorization of 51531 in exponential form is:

51531 = 31 × 891 × 1931

Prime Factorization of 51538

Prime factors of 51538 are 2, 73, 353. Prime factorization of 51538 in exponential form is:

51538 = 21 × 731 × 3531

Now multiplying the highest exponent prime factors to calculate the LCM of 51531 and 51538.

LCM(51531,51538) = 31 × 891 × 1931 × 21 × 731 × 3531
LCM(51531,51538) = 2655804678