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What is the Least Common Multiple of 77572 and 77581?

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 77572 and 77581 is 6018113332.

LCM(77572,77581) = 6018113332

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Least Common Multiple of 77572 and 77581 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77572 and 77581, than apply into the LCM equation.

GCF(77572,77581) = 1
LCM(77572,77581) = ( 77572 × 77581) / 1
LCM(77572,77581) = 6018113332 / 1
LCM(77572,77581) = 6018113332

Least Common Multiple (LCM) of 77572 and 77581 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77572 and 77581. First we will calculate the prime factors of 77572 and 77581.

Prime Factorization of 77572

Prime factors of 77572 are 2, 11, 41, 43. Prime factorization of 77572 in exponential form is:

77572 = 22 × 111 × 411 × 431

Prime Factorization of 77581

Prime factors of 77581 are 7, 11083. Prime factorization of 77581 in exponential form is:

77581 = 71 × 110831

Now multiplying the highest exponent prime factors to calculate the LCM of 77572 and 77581.

LCM(77572,77581) = 22 × 111 × 411 × 431 × 71 × 110831
LCM(77572,77581) = 6018113332