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What is the Least Common Multiple of 76538 and 76558?

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 76538 and 76558 is 2929798102.

LCM(76538,76558) = 2929798102

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Least Common Multiple of 76538 and 76558 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 76538 and 76558, than apply into the LCM equation.

GCF(76538,76558) = 2
LCM(76538,76558) = ( 76538 × 76558) / 2
LCM(76538,76558) = 5859596204 / 2
LCM(76538,76558) = 2929798102

Least Common Multiple (LCM) of 76538 and 76558 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 76538 and 76558. First we will calculate the prime factors of 76538 and 76558.

Prime Factorization of 76538

Prime factors of 76538 are 2, 7, 11, 71. Prime factorization of 76538 in exponential form is:

76538 = 21 × 72 × 111 × 711

Prime Factorization of 76558

Prime factors of 76558 are 2, 101, 379. Prime factorization of 76558 in exponential form is:

76558 = 21 × 1011 × 3791

Now multiplying the highest exponent prime factors to calculate the LCM of 76538 and 76558.

LCM(76538,76558) = 21 × 72 × 111 × 711 × 1011 × 3791
LCM(76538,76558) = 2929798102