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What is the Least Common Multiple of 473 and 486?

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 486 is 229878.

LCM(473,486) = 229878

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Least Common Multiple of 473 and 486 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 486, than apply into the LCM equation.

GCF(473,486) = 1
LCM(473,486) = ( 473 × 486) / 1
LCM(473,486) = 229878 / 1
LCM(473,486) = 229878

Least Common Multiple (LCM) of 473 and 486 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 473 and 486. First we will calculate the prime factors of 473 and 486.

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 486

Prime factors of 486 are 2, 3. Prime factorization of 486 in exponential form is:

486 = 21 × 35

Now multiplying the highest exponent prime factors to calculate the LCM of 473 and 486.

LCM(473,486) = 111 × 431 × 21 × 35
LCM(473,486) = 229878