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What is the Least Common Multiple of 80905 and 80918?

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 80918 is 6546670790.

LCM(80905,80918) = 6546670790

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Least Common Multiple of 80905 and 80918 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 80918, than apply into the LCM equation.

GCF(80905,80918) = 1
LCM(80905,80918) = ( 80905 × 80918) / 1
LCM(80905,80918) = 6546670790 / 1
LCM(80905,80918) = 6546670790

Least Common Multiple (LCM) of 80905 and 80918 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80905 and 80918. First we will calculate the prime factors of 80905 and 80918.

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 80918

Prime factors of 80918 are 2, 40459. Prime factorization of 80918 in exponential form is:

80918 = 21 × 404591

Now multiplying the highest exponent prime factors to calculate the LCM of 80905 and 80918.

LCM(80905,80918) = 51 × 111 × 14711 × 21 × 404591
LCM(80905,80918) = 6546670790