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What is the Least Common Multiple of 72561 and 72566?

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 72561 and 72566 is 5265461526.

LCM(72561,72566) = 5265461526

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Least Common Multiple of 72561 and 72566 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72561 and 72566, than apply into the LCM equation.

GCF(72561,72566) = 1
LCM(72561,72566) = ( 72561 × 72566) / 1
LCM(72561,72566) = 5265461526 / 1
LCM(72561,72566) = 5265461526

Least Common Multiple (LCM) of 72561 and 72566 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72561 and 72566. First we will calculate the prime factors of 72561 and 72566.

Prime Factorization of 72561

Prime factors of 72561 are 3, 19, 67. Prime factorization of 72561 in exponential form is:

72561 = 31 × 192 × 671

Prime Factorization of 72566

Prime factors of 72566 are 2, 13, 2791. Prime factorization of 72566 in exponential form is:

72566 = 21 × 131 × 27911

Now multiplying the highest exponent prime factors to calculate the LCM of 72561 and 72566.

LCM(72561,72566) = 31 × 192 × 671 × 21 × 131 × 27911
LCM(72561,72566) = 5265461526