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What is the Least Common Multiple of 47840 and 47844?

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 47840 and 47844 is 572214240.

LCM(47840,47844) = 572214240

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Least Common Multiple of 47840 and 47844 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47840 and 47844, than apply into the LCM equation.

GCF(47840,47844) = 4
LCM(47840,47844) = ( 47840 × 47844) / 4
LCM(47840,47844) = 2288856960 / 4
LCM(47840,47844) = 572214240

Least Common Multiple (LCM) of 47840 and 47844 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47840 and 47844. First we will calculate the prime factors of 47840 and 47844.

Prime Factorization of 47840

Prime factors of 47840 are 2, 5, 13, 23. Prime factorization of 47840 in exponential form is:

47840 = 25 × 51 × 131 × 231

Prime Factorization of 47844

Prime factors of 47844 are 2, 3, 443. Prime factorization of 47844 in exponential form is:

47844 = 22 × 33 × 4431

Now multiplying the highest exponent prime factors to calculate the LCM of 47840 and 47844.

LCM(47840,47844) = 25 × 51 × 131 × 231 × 33 × 4431
LCM(47840,47844) = 572214240