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What is the Least Common Multiple of 473 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 473 and 487 is 230351.

LCM(473,487) = 230351

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Least Common Multiple of 473 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 473 and 487, than apply into the LCM equation.

GCF(473,487) = 1
LCM(473,487) = ( 473 × 487) / 1
LCM(473,487) = 230351 / 1
LCM(473,487) = 230351

Least Common Multiple (LCM) of 473 and 487 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 473 and 487. First we will calculate the prime factors of 473 and 487.

Prime Factorization of 473

Prime factors of 473 are 11, 43. Prime factorization of 473 in exponential form is:

473 = 111 × 431

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 473 and 487.

LCM(473,487) = 111 × 431 × 4871
LCM(473,487) = 230351