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What is the Least Common Multiple of 77571 and 77584?

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 77571 and 77584 is 462943728.

LCM(77571,77584) = 462943728

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Least Common Multiple of 77571 and 77584 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77571 and 77584, than apply into the LCM equation.

GCF(77571,77584) = 13
LCM(77571,77584) = ( 77571 × 77584) / 13
LCM(77571,77584) = 6018268464 / 13
LCM(77571,77584) = 462943728

Least Common Multiple (LCM) of 77571 and 77584 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77571 and 77584. First we will calculate the prime factors of 77571 and 77584.

Prime Factorization of 77571

Prime factors of 77571 are 3, 13, 17. Prime factorization of 77571 in exponential form is:

77571 = 33 × 132 × 171

Prime Factorization of 77584

Prime factors of 77584 are 2, 13, 373. Prime factorization of 77584 in exponential form is:

77584 = 24 × 131 × 3731

Now multiplying the highest exponent prime factors to calculate the LCM of 77571 and 77584.

LCM(77571,77584) = 33 × 132 × 171 × 24 × 3731
LCM(77571,77584) = 462943728