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What is the Least Common Multiple of 47217 and 47221?

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 47217 and 47221 is 2229633957.

LCM(47217,47221) = 2229633957

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Least Common Multiple of 47217 and 47221 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47217 and 47221, than apply into the LCM equation.

GCF(47217,47221) = 1
LCM(47217,47221) = ( 47217 × 47221) / 1
LCM(47217,47221) = 2229633957 / 1
LCM(47217,47221) = 2229633957

Least Common Multiple (LCM) of 47217 and 47221 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47217 and 47221. First we will calculate the prime factors of 47217 and 47221.

Prime Factorization of 47217

Prime factors of 47217 are 3, 15739. Prime factorization of 47217 in exponential form is:

47217 = 31 × 157391

Prime Factorization of 47221

Prime factors of 47221 are 47221. Prime factorization of 47221 in exponential form is:

47221 = 472211

Now multiplying the highest exponent prime factors to calculate the LCM of 47217 and 47221.

LCM(47217,47221) = 31 × 157391 × 472211
LCM(47217,47221) = 2229633957