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What is the Least Common Multiple of 600 and 618?

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 600 and 618 is 61800.

LCM(600,618) = 61800

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Least Common Multiple of 600 and 618 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 600 and 618, than apply into the LCM equation.

GCF(600,618) = 6
LCM(600,618) = ( 600 × 618) / 6
LCM(600,618) = 370800 / 6
LCM(600,618) = 61800

Least Common Multiple (LCM) of 600 and 618 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 600 and 618. First we will calculate the prime factors of 600 and 618.

Prime Factorization of 600

Prime factors of 600 are 2, 3, 5. Prime factorization of 600 in exponential form is:

600 = 23 × 31 × 52

Prime Factorization of 618

Prime factors of 618 are 2, 3, 103. Prime factorization of 618 in exponential form is:

618 = 21 × 31 × 1031

Now multiplying the highest exponent prime factors to calculate the LCM of 600 and 618.

LCM(600,618) = 23 × 31 × 52 × 1031
LCM(600,618) = 61800