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What is the Least Common Multiple of 80531 and 80538?

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 80531 and 80538 is 6485805678.

LCM(80531,80538) = 6485805678

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Least Common Multiple of 80531 and 80538 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80531 and 80538, than apply into the LCM equation.

GCF(80531,80538) = 1
LCM(80531,80538) = ( 80531 × 80538) / 1
LCM(80531,80538) = 6485805678 / 1
LCM(80531,80538) = 6485805678

Least Common Multiple (LCM) of 80531 and 80538 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80531 and 80538. First we will calculate the prime factors of 80531 and 80538.

Prime Factorization of 80531

Prime factors of 80531 are 11, 7321. Prime factorization of 80531 in exponential form is:

80531 = 111 × 73211

Prime Factorization of 80538

Prime factors of 80538 are 2, 3, 31, 433. Prime factorization of 80538 in exponential form is:

80538 = 21 × 31 × 311 × 4331

Now multiplying the highest exponent prime factors to calculate the LCM of 80531 and 80538.

LCM(80531,80538) = 111 × 73211 × 21 × 31 × 311 × 4331
LCM(80531,80538) = 6485805678