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What is the Least Common Multiple of 75603 and 75618?

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 75603 and 75618 is 1905649218.

LCM(75603,75618) = 1905649218

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Least Common Multiple of 75603 and 75618 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 75603 and 75618, than apply into the LCM equation.

GCF(75603,75618) = 3
LCM(75603,75618) = ( 75603 × 75618) / 3
LCM(75603,75618) = 5716947654 / 3
LCM(75603,75618) = 1905649218

Least Common Multiple (LCM) of 75603 and 75618 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 75603 and 75618. First we will calculate the prime factors of 75603 and 75618.

Prime Factorization of 75603

Prime factors of 75603 are 3, 11, 29, 79. Prime factorization of 75603 in exponential form is:

75603 = 31 × 111 × 291 × 791

Prime Factorization of 75618

Prime factors of 75618 are 2, 3, 4201. Prime factorization of 75618 in exponential form is:

75618 = 21 × 32 × 42011

Now multiplying the highest exponent prime factors to calculate the LCM of 75603 and 75618.

LCM(75603,75618) = 32 × 111 × 291 × 791 × 21 × 42011
LCM(75603,75618) = 1905649218