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What is the Least Common Multiple of 77688 and 77703?

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 77688 and 77703 is 2012196888.

LCM(77688,77703) = 2012196888

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Least Common Multiple of 77688 and 77703 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77688 and 77703, than apply into the LCM equation.

GCF(77688,77703) = 3
LCM(77688,77703) = ( 77688 × 77703) / 3
LCM(77688,77703) = 6036590664 / 3
LCM(77688,77703) = 2012196888

Least Common Multiple (LCM) of 77688 and 77703 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77688 and 77703. First we will calculate the prime factors of 77688 and 77703.

Prime Factorization of 77688

Prime factors of 77688 are 2, 3, 13, 83. Prime factorization of 77688 in exponential form is:

77688 = 23 × 32 × 131 × 831

Prime Factorization of 77703

Prime factors of 77703 are 3, 59, 439. Prime factorization of 77703 in exponential form is:

77703 = 31 × 591 × 4391

Now multiplying the highest exponent prime factors to calculate the LCM of 77688 and 77703.

LCM(77688,77703) = 23 × 32 × 131 × 831 × 591 × 4391
LCM(77688,77703) = 2012196888