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What is the Least Common Multiple of 77788 and 77805?

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 77788 and 77805 is 6052295340.

LCM(77788,77805) = 6052295340

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Least Common Multiple of 77788 and 77805 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77788 and 77805, than apply into the LCM equation.

GCF(77788,77805) = 1
LCM(77788,77805) = ( 77788 × 77805) / 1
LCM(77788,77805) = 6052295340 / 1
LCM(77788,77805) = 6052295340

Least Common Multiple (LCM) of 77788 and 77805 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77788 and 77805. First we will calculate the prime factors of 77788 and 77805.

Prime Factorization of 77788

Prime factors of 77788 are 2, 19447. Prime factorization of 77788 in exponential form is:

77788 = 22 × 194471

Prime Factorization of 77805

Prime factors of 77805 are 3, 5, 7, 13, 19. Prime factorization of 77805 in exponential form is:

77805 = 32 × 51 × 71 × 131 × 191

Now multiplying the highest exponent prime factors to calculate the LCM of 77788 and 77805.

LCM(77788,77805) = 22 × 194471 × 32 × 51 × 71 × 131 × 191
LCM(77788,77805) = 6052295340