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What is the Least Common Multiple of 81537 and 81546?

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 81537 and 81546 is 2216338734.

LCM(81537,81546) = 2216338734

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Least Common Multiple of 81537 and 81546 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81537 and 81546, than apply into the LCM equation.

GCF(81537,81546) = 3
LCM(81537,81546) = ( 81537 × 81546) / 3
LCM(81537,81546) = 6649016202 / 3
LCM(81537,81546) = 2216338734

Least Common Multiple (LCM) of 81537 and 81546 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81537 and 81546. First we will calculate the prime factors of 81537 and 81546.

Prime Factorization of 81537

Prime factors of 81537 are 3, 27179. Prime factorization of 81537 in exponential form is:

81537 = 31 × 271791

Prime Factorization of 81546

Prime factors of 81546 are 2, 3, 13591. Prime factorization of 81546 in exponential form is:

81546 = 21 × 31 × 135911

Now multiplying the highest exponent prime factors to calculate the LCM of 81537 and 81546.

LCM(81537,81546) = 31 × 271791 × 21 × 135911
LCM(81537,81546) = 2216338734