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What is the Least Common Multiple of 8221 and 8231?

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 8221 and 8231 is 67667051.

LCM(8221,8231) = 67667051

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Least Common Multiple of 8221 and 8231 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8221 and 8231, than apply into the LCM equation.

GCF(8221,8231) = 1
LCM(8221,8231) = ( 8221 × 8231) / 1
LCM(8221,8231) = 67667051 / 1
LCM(8221,8231) = 67667051

Least Common Multiple (LCM) of 8221 and 8231 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8221 and 8231. First we will calculate the prime factors of 8221 and 8231.

Prime Factorization of 8221

Prime factors of 8221 are 8221. Prime factorization of 8221 in exponential form is:

8221 = 82211

Prime Factorization of 8231

Prime factors of 8231 are 8231. Prime factorization of 8231 in exponential form is:

8231 = 82311

Now multiplying the highest exponent prime factors to calculate the LCM of 8221 and 8231.

LCM(8221,8231) = 82211 × 82311
LCM(8221,8231) = 67667051