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What is the Least Common Multiple of 77385 and 77403?

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 77385 and 77403 is 1996610385.

LCM(77385,77403) = 1996610385

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Least Common Multiple of 77385 and 77403 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77385 and 77403, than apply into the LCM equation.

GCF(77385,77403) = 3
LCM(77385,77403) = ( 77385 × 77403) / 3
LCM(77385,77403) = 5989831155 / 3
LCM(77385,77403) = 1996610385

Least Common Multiple (LCM) of 77385 and 77403 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77385 and 77403. First we will calculate the prime factors of 77385 and 77403.

Prime Factorization of 77385

Prime factors of 77385 are 3, 5, 7, 11, 67. Prime factorization of 77385 in exponential form is:

77385 = 31 × 51 × 71 × 111 × 671

Prime Factorization of 77403

Prime factors of 77403 are 3, 25801. Prime factorization of 77403 in exponential form is:

77403 = 31 × 258011

Now multiplying the highest exponent prime factors to calculate the LCM of 77385 and 77403.

LCM(77385,77403) = 31 × 51 × 71 × 111 × 671 × 258011
LCM(77385,77403) = 1996610385