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What is the Least Common Multiple of 1125 and 1134?

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 1125 and 1134 is 141750.

LCM(1125,1134) = 141750

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Least Common Multiple of 1125 and 1134 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1125 and 1134, than apply into the LCM equation.

GCF(1125,1134) = 9
LCM(1125,1134) = ( 1125 × 1134) / 9
LCM(1125,1134) = 1275750 / 9
LCM(1125,1134) = 141750

Least Common Multiple (LCM) of 1125 and 1134 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1125 and 1134. First we will calculate the prime factors of 1125 and 1134.

Prime Factorization of 1125

Prime factors of 1125 are 3, 5. Prime factorization of 1125 in exponential form is:

1125 = 32 × 53

Prime Factorization of 1134

Prime factors of 1134 are 2, 3, 7. Prime factorization of 1134 in exponential form is:

1134 = 21 × 34 × 71

Now multiplying the highest exponent prime factors to calculate the LCM of 1125 and 1134.

LCM(1125,1134) = 34 × 53 × 21 × 71
LCM(1125,1134) = 141750