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What is the Least Common Multiple of 221 and 226?

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 221 and 226 is 49946.

LCM(221,226) = 49946

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Least Common Multiple of 221 and 226 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 221 and 226, than apply into the LCM equation.

GCF(221,226) = 1
LCM(221,226) = ( 221 × 226) / 1
LCM(221,226) = 49946 / 1
LCM(221,226) = 49946

Least Common Multiple (LCM) of 221 and 226 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 221 and 226. First we will calculate the prime factors of 221 and 226.

Prime Factorization of 221

Prime factors of 221 are 13, 17. Prime factorization of 221 in exponential form is:

221 = 131 × 171

Prime Factorization of 226

Prime factors of 226 are 2, 113. Prime factorization of 226 in exponential form is:

226 = 21 × 1131

Now multiplying the highest exponent prime factors to calculate the LCM of 221 and 226.

LCM(221,226) = 131 × 171 × 21 × 1131
LCM(221,226) = 49946