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What is the Least Common Multiple of 218 and 234?

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 218 and 234 is 25506.

LCM(218,234) = 25506

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Least Common Multiple of 218 and 234 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 218 and 234, than apply into the LCM equation.

GCF(218,234) = 2
LCM(218,234) = ( 218 × 234) / 2
LCM(218,234) = 51012 / 2
LCM(218,234) = 25506

Least Common Multiple (LCM) of 218 and 234 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 218 and 234. First we will calculate the prime factors of 218 and 234.

Prime Factorization of 218

Prime factors of 218 are 2, 109. Prime factorization of 218 in exponential form is:

218 = 21 × 1091

Prime Factorization of 234

Prime factors of 234 are 2, 3, 13. Prime factorization of 234 in exponential form is:

234 = 21 × 32 × 131

Now multiplying the highest exponent prime factors to calculate the LCM of 218 and 234.

LCM(218,234) = 21 × 1091 × 32 × 131
LCM(218,234) = 25506