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What is the Least Common Multiple of 475 and 488?

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 475 and 488 is 231800.

LCM(475,488) = 231800

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Least Common Multiple of 475 and 488 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 475 and 488, than apply into the LCM equation.

GCF(475,488) = 1
LCM(475,488) = ( 475 × 488) / 1
LCM(475,488) = 231800 / 1
LCM(475,488) = 231800

Least Common Multiple (LCM) of 475 and 488 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 475 and 488. First we will calculate the prime factors of 475 and 488.

Prime Factorization of 475

Prime factors of 475 are 5, 19. Prime factorization of 475 in exponential form is:

475 = 52 × 191

Prime Factorization of 488

Prime factors of 488 are 2, 61. Prime factorization of 488 in exponential form is:

488 = 23 × 611

Now multiplying the highest exponent prime factors to calculate the LCM of 475 and 488.

LCM(475,488) = 52 × 191 × 23 × 611
LCM(475,488) = 231800