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What is the Least Common Multiple of 47109 and 47120?

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 47109 and 47120 is 2219776080.

LCM(47109,47120) = 2219776080

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Least Common Multiple of 47109 and 47120 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47109 and 47120, than apply into the LCM equation.

GCF(47109,47120) = 1
LCM(47109,47120) = ( 47109 × 47120) / 1
LCM(47109,47120) = 2219776080 / 1
LCM(47109,47120) = 2219776080

Least Common Multiple (LCM) of 47109 and 47120 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47109 and 47120. First we will calculate the prime factors of 47109 and 47120.

Prime Factorization of 47109

Prime factors of 47109 are 3, 41, 383. Prime factorization of 47109 in exponential form is:

47109 = 31 × 411 × 3831

Prime Factorization of 47120

Prime factors of 47120 are 2, 5, 19, 31. Prime factorization of 47120 in exponential form is:

47120 = 24 × 51 × 191 × 311

Now multiplying the highest exponent prime factors to calculate the LCM of 47109 and 47120.

LCM(47109,47120) = 31 × 411 × 3831 × 24 × 51 × 191 × 311
LCM(47109,47120) = 2219776080