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What is the Least Common Multiple of 1068 and 1083?

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 1068 and 1083 is 385548.

LCM(1068,1083) = 385548

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Least Common Multiple of 1068 and 1083 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1068 and 1083, than apply into the LCM equation.

GCF(1068,1083) = 3
LCM(1068,1083) = ( 1068 × 1083) / 3
LCM(1068,1083) = 1156644 / 3
LCM(1068,1083) = 385548

Least Common Multiple (LCM) of 1068 and 1083 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1068 and 1083. First we will calculate the prime factors of 1068 and 1083.

Prime Factorization of 1068

Prime factors of 1068 are 2, 3, 89. Prime factorization of 1068 in exponential form is:

1068 = 22 × 31 × 891

Prime Factorization of 1083

Prime factors of 1083 are 3, 19. Prime factorization of 1083 in exponential form is:

1083 = 31 × 192

Now multiplying the highest exponent prime factors to calculate the LCM of 1068 and 1083.

LCM(1068,1083) = 22 × 31 × 891 × 192
LCM(1068,1083) = 385548