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What is the Least Common Multiple of 80481 and 80487?

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 80481 and 80487 is 2159224749.

LCM(80481,80487) = 2159224749

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Least Common Multiple of 80481 and 80487 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80481 and 80487, than apply into the LCM equation.

GCF(80481,80487) = 3
LCM(80481,80487) = ( 80481 × 80487) / 3
LCM(80481,80487) = 6477674247 / 3
LCM(80481,80487) = 2159224749

Least Common Multiple (LCM) of 80481 and 80487 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80481 and 80487. First we will calculate the prime factors of 80481 and 80487.

Prime Factorization of 80481

Prime factors of 80481 are 3, 139, 193. Prime factorization of 80481 in exponential form is:

80481 = 31 × 1391 × 1931

Prime Factorization of 80487

Prime factors of 80487 are 3, 11, 271. Prime factorization of 80487 in exponential form is:

80487 = 33 × 111 × 2711

Now multiplying the highest exponent prime factors to calculate the LCM of 80481 and 80487.

LCM(80481,80487) = 33 × 1391 × 1931 × 111 × 2711
LCM(80481,80487) = 2159224749