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What is the Least Common Multiple of 479 and 489?

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 479 and 489 is 234231.

LCM(479,489) = 234231

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Least Common Multiple of 479 and 489 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 479 and 489, than apply into the LCM equation.

GCF(479,489) = 1
LCM(479,489) = ( 479 × 489) / 1
LCM(479,489) = 234231 / 1
LCM(479,489) = 234231

Least Common Multiple (LCM) of 479 and 489 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 479 and 489. First we will calculate the prime factors of 479 and 489.

Prime Factorization of 479

Prime factors of 479 are 479. Prime factorization of 479 in exponential form is:

479 = 4791

Prime Factorization of 489

Prime factors of 489 are 3, 163. Prime factorization of 489 in exponential form is:

489 = 31 × 1631

Now multiplying the highest exponent prime factors to calculate the LCM of 479 and 489.

LCM(479,489) = 4791 × 31 × 1631
LCM(479,489) = 234231