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What is the Least Common Multiple of 13211 and 13218?

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 13211 and 13218 is 174622998.

LCM(13211,13218) = 174622998

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Least Common Multiple of 13211 and 13218 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13211 and 13218, than apply into the LCM equation.

GCF(13211,13218) = 1
LCM(13211,13218) = ( 13211 × 13218) / 1
LCM(13211,13218) = 174622998 / 1
LCM(13211,13218) = 174622998

Least Common Multiple (LCM) of 13211 and 13218 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13211 and 13218. First we will calculate the prime factors of 13211 and 13218.

Prime Factorization of 13211

Prime factors of 13211 are 11, 1201. Prime factorization of 13211 in exponential form is:

13211 = 111 × 12011

Prime Factorization of 13218

Prime factors of 13218 are 2, 3, 2203. Prime factorization of 13218 in exponential form is:

13218 = 21 × 31 × 22031

Now multiplying the highest exponent prime factors to calculate the LCM of 13211 and 13218.

LCM(13211,13218) = 111 × 12011 × 21 × 31 × 22031
LCM(13211,13218) = 174622998