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What is the Least Common Multiple of 1134 and 1144?

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 1134 and 1144 is 648648.

LCM(1134,1144) = 648648

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Least Common Multiple of 1134 and 1144 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1134 and 1144, than apply into the LCM equation.

GCF(1134,1144) = 2
LCM(1134,1144) = ( 1134 × 1144) / 2
LCM(1134,1144) = 1297296 / 2
LCM(1134,1144) = 648648

Least Common Multiple (LCM) of 1134 and 1144 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1134 and 1144. First we will calculate the prime factors of 1134 and 1144.

Prime Factorization of 1134

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

1134 = 21 × 34 × 71

Prime Factorization of 1144

Prime factors of 1144 are 2, 11, 13. Prime factorization of 1144 in exponential form is:

1144 = 23 × 111 × 131

Now multiplying the highest exponent prime factors to calculate the LCM of 1134 and 1144.

LCM(1134,1144) = 23 × 34 × 71 × 111 × 131
LCM(1134,1144) = 648648