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What is the Least Common Multiple of 1137 and 1154?

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 1137 and 1154 is 1312098.

LCM(1137,1154) = 1312098

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Least Common Multiple of 1137 and 1154 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1137 and 1154, than apply into the LCM equation.

GCF(1137,1154) = 1
LCM(1137,1154) = ( 1137 × 1154) / 1
LCM(1137,1154) = 1312098 / 1
LCM(1137,1154) = 1312098

Least Common Multiple (LCM) of 1137 and 1154 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1137 and 1154. First we will calculate the prime factors of 1137 and 1154.

Prime Factorization of 1137

Prime factors of 1137 are 3, 379. Prime factorization of 1137 in exponential form is:

1137 = 31 × 3791

Prime Factorization of 1154

Prime factors of 1154 are 2, 577. Prime factorization of 1154 in exponential form is:

1154 = 21 × 5771

Now multiplying the highest exponent prime factors to calculate the LCM of 1137 and 1154.

LCM(1137,1154) = 31 × 3791 × 21 × 5771
LCM(1137,1154) = 1312098