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What is the Least Common Multiple of 213 and 224?

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 213 and 224 is 47712.

LCM(213,224) = 47712

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Least Common Multiple of 213 and 224 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 213 and 224, than apply into the LCM equation.

GCF(213,224) = 1
LCM(213,224) = ( 213 × 224) / 1
LCM(213,224) = 47712 / 1
LCM(213,224) = 47712

Least Common Multiple (LCM) of 213 and 224 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 213 and 224. First we will calculate the prime factors of 213 and 224.

Prime Factorization of 213

Prime factors of 213 are 3, 71. Prime factorization of 213 in exponential form is:

213 = 31 × 711

Prime Factorization of 224

Prime factors of 224 are 2, 7. Prime factorization of 224 in exponential form is:

224 = 25 × 71

Now multiplying the highest exponent prime factors to calculate the LCM of 213 and 224.

LCM(213,224) = 31 × 711 × 25 × 71
LCM(213,224) = 47712