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What is the Least Common Multiple of 470 and 484?

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 470 and 484 is 113740.

LCM(470,484) = 113740

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Least Common Multiple of 470 and 484 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 470 and 484, than apply into the LCM equation.

GCF(470,484) = 2
LCM(470,484) = ( 470 × 484) / 2
LCM(470,484) = 227480 / 2
LCM(470,484) = 113740

Least Common Multiple (LCM) of 470 and 484 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 470 and 484. First we will calculate the prime factors of 470 and 484.

Prime Factorization of 470

Prime factors of 470 are 2, 5, 47. Prime factorization of 470 in exponential form is:

470 = 21 × 51 × 471

Prime Factorization of 484

Prime factors of 484 are 2, 11. Prime factorization of 484 in exponential form is:

484 = 22 × 112

Now multiplying the highest exponent prime factors to calculate the LCM of 470 and 484.

LCM(470,484) = 22 × 51 × 471 × 112
LCM(470,484) = 113740