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What is the Least Common Multiple of 61428 and 61447?

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 61428 and 61447 is 3774566316.

LCM(61428,61447) = 3774566316

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Least Common Multiple of 61428 and 61447 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 61428 and 61447, than apply into the LCM equation.

GCF(61428,61447) = 1
LCM(61428,61447) = ( 61428 × 61447) / 1
LCM(61428,61447) = 3774566316 / 1
LCM(61428,61447) = 3774566316

Least Common Multiple (LCM) of 61428 and 61447 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 61428 and 61447. First we will calculate the prime factors of 61428 and 61447.

Prime Factorization of 61428

Prime factors of 61428 are 2, 3, 5119. Prime factorization of 61428 in exponential form is:

61428 = 22 × 31 × 51191

Prime Factorization of 61447

Prime factors of 61447 are 43, 1429. Prime factorization of 61447 in exponential form is:

61447 = 431 × 14291

Now multiplying the highest exponent prime factors to calculate the LCM of 61428 and 61447.

LCM(61428,61447) = 22 × 31 × 51191 × 431 × 14291
LCM(61428,61447) = 3774566316