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What is the Least Common Multiple of 47100 and 47105?

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 47100 and 47105 is 443729100.

LCM(47100,47105) = 443729100

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Least Common Multiple of 47100 and 47105 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47100 and 47105, than apply into the LCM equation.

GCF(47100,47105) = 5
LCM(47100,47105) = ( 47100 × 47105) / 5
LCM(47100,47105) = 2218645500 / 5
LCM(47100,47105) = 443729100

Least Common Multiple (LCM) of 47100 and 47105 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47100 and 47105. First we will calculate the prime factors of 47100 and 47105.

Prime Factorization of 47100

Prime factors of 47100 are 2, 3, 5, 157. Prime factorization of 47100 in exponential form is:

47100 = 22 × 31 × 52 × 1571

Prime Factorization of 47105

Prime factors of 47105 are 5, 9421. Prime factorization of 47105 in exponential form is:

47105 = 51 × 94211

Now multiplying the highest exponent prime factors to calculate the LCM of 47100 and 47105.

LCM(47100,47105) = 22 × 31 × 52 × 1571 × 94211
LCM(47100,47105) = 443729100