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What is the Least Common Multiple of 77538 and 77553?

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 77538 and 77553 is 2004434838.

LCM(77538,77553) = 2004434838

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Least Common Multiple of 77538 and 77553 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77538 and 77553, than apply into the LCM equation.

GCF(77538,77553) = 3
LCM(77538,77553) = ( 77538 × 77553) / 3
LCM(77538,77553) = 6013304514 / 3
LCM(77538,77553) = 2004434838

Least Common Multiple (LCM) of 77538 and 77553 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77538 and 77553. First we will calculate the prime factors of 77538 and 77553.

Prime Factorization of 77538

Prime factors of 77538 are 2, 3, 12923. Prime factorization of 77538 in exponential form is:

77538 = 21 × 31 × 129231

Prime Factorization of 77553

Prime factors of 77553 are 3, 7, 1231. Prime factorization of 77553 in exponential form is:

77553 = 32 × 71 × 12311

Now multiplying the highest exponent prime factors to calculate the LCM of 77538 and 77553.

LCM(77538,77553) = 21 × 32 × 129231 × 71 × 12311
LCM(77538,77553) = 2004434838