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What is the Least Common Multiple of 480 and 487?

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 480 and 487 is 233760.

LCM(480,487) = 233760

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Least Common Multiple of 480 and 487 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 480 and 487, than apply into the LCM equation.

GCF(480,487) = 1
LCM(480,487) = ( 480 × 487) / 1
LCM(480,487) = 233760 / 1
LCM(480,487) = 233760

Least Common Multiple (LCM) of 480 and 487 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 480 and 487. First we will calculate the prime factors of 480 and 487.

Prime Factorization of 480

Prime factors of 480 are 2, 3, 5. Prime factorization of 480 in exponential form is:

480 = 25 × 31 × 51

Prime Factorization of 487

Prime factors of 487 are 487. Prime factorization of 487 in exponential form is:

487 = 4871

Now multiplying the highest exponent prime factors to calculate the LCM of 480 and 487.

LCM(480,487) = 25 × 31 × 51 × 4871
LCM(480,487) = 233760