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What is the Least Common Multiple of 231 and 237?

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 231 and 237 is 18249.

LCM(231,237) = 18249

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Least Common Multiple of 231 and 237 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 231 and 237, than apply into the LCM equation.

GCF(231,237) = 3
LCM(231,237) = ( 231 × 237) / 3
LCM(231,237) = 54747 / 3
LCM(231,237) = 18249

Least Common Multiple (LCM) of 231 and 237 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 231 and 237. First we will calculate the prime factors of 231 and 237.

Prime Factorization of 231

Prime factors of 231 are 3, 7, 11. Prime factorization of 231 in exponential form is:

231 = 31 × 71 × 111

Prime Factorization of 237

Prime factors of 237 are 3, 79. Prime factorization of 237 in exponential form is:

237 = 31 × 791

Now multiplying the highest exponent prime factors to calculate the LCM of 231 and 237.

LCM(231,237) = 31 × 71 × 111 × 791
LCM(231,237) = 18249