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What is the Least Common Multiple of 80905 and 80923?

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 80905 and 80923 is 6547075315.

LCM(80905,80923) = 6547075315

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Least Common Multiple of 80905 and 80923 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80905 and 80923, than apply into the LCM equation.

GCF(80905,80923) = 1
LCM(80905,80923) = ( 80905 × 80923) / 1
LCM(80905,80923) = 6547075315 / 1
LCM(80905,80923) = 6547075315

Least Common Multiple (LCM) of 80905 and 80923 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80905 and 80923. First we will calculate the prime factors of 80905 and 80923.

Prime Factorization of 80905

Prime factors of 80905 are 5, 11, 1471. Prime factorization of 80905 in exponential form is:

80905 = 51 × 111 × 14711

Prime Factorization of 80923

Prime factors of 80923 are 80923. Prime factorization of 80923 in exponential form is:

80923 = 809231

Now multiplying the highest exponent prime factors to calculate the LCM of 80905 and 80923.

LCM(80905,80923) = 51 × 111 × 14711 × 809231
LCM(80905,80923) = 6547075315