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What is the Least Common Multiple of 47130 and 47146?

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 47130 and 47146 is 1110995490.

LCM(47130,47146) = 1110995490

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Least Common Multiple of 47130 and 47146 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47130 and 47146, than apply into the LCM equation.

GCF(47130,47146) = 2
LCM(47130,47146) = ( 47130 × 47146) / 2
LCM(47130,47146) = 2221990980 / 2
LCM(47130,47146) = 1110995490

Least Common Multiple (LCM) of 47130 and 47146 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47130 and 47146. First we will calculate the prime factors of 47130 and 47146.

Prime Factorization of 47130

Prime factors of 47130 are 2, 3, 5, 1571. Prime factorization of 47130 in exponential form is:

47130 = 21 × 31 × 51 × 15711

Prime Factorization of 47146

Prime factors of 47146 are 2, 11, 2143. Prime factorization of 47146 in exponential form is:

47146 = 21 × 111 × 21431

Now multiplying the highest exponent prime factors to calculate the LCM of 47130 and 47146.

LCM(47130,47146) = 21 × 31 × 51 × 15711 × 111 × 21431
LCM(47130,47146) = 1110995490