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What is the Least Common Multiple of 77738 and 77749?

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 77738 and 77749 is 6044051762.

LCM(77738,77749) = 6044051762

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Least Common Multiple of 77738 and 77749 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77738 and 77749, than apply into the LCM equation.

GCF(77738,77749) = 1
LCM(77738,77749) = ( 77738 × 77749) / 1
LCM(77738,77749) = 6044051762 / 1
LCM(77738,77749) = 6044051762

Least Common Multiple (LCM) of 77738 and 77749 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77738 and 77749. First we will calculate the prime factors of 77738 and 77749.

Prime Factorization of 77738

Prime factors of 77738 are 2, 47, 827. Prime factorization of 77738 in exponential form is:

77738 = 21 × 471 × 8271

Prime Factorization of 77749

Prime factors of 77749 are 7, 29, 383. Prime factorization of 77749 in exponential form is:

77749 = 71 × 291 × 3831

Now multiplying the highest exponent prime factors to calculate the LCM of 77738 and 77749.

LCM(77738,77749) = 21 × 471 × 8271 × 71 × 291 × 3831
LCM(77738,77749) = 6044051762