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What is the Least Common Multiple of 47438 and 47453?

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 47438 and 47453 is 2251075414.

LCM(47438,47453) = 2251075414

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Least Common Multiple of 47438 and 47453 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47438 and 47453, than apply into the LCM equation.

GCF(47438,47453) = 1
LCM(47438,47453) = ( 47438 × 47453) / 1
LCM(47438,47453) = 2251075414 / 1
LCM(47438,47453) = 2251075414

Least Common Multiple (LCM) of 47438 and 47453 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47438 and 47453. First we will calculate the prime factors of 47438 and 47453.

Prime Factorization of 47438

Prime factors of 47438 are 2, 23719. Prime factorization of 47438 in exponential form is:

47438 = 21 × 237191

Prime Factorization of 47453

Prime factors of 47453 are 7, 6779. Prime factorization of 47453 in exponential form is:

47453 = 71 × 67791

Now multiplying the highest exponent prime factors to calculate the LCM of 47438 and 47453.

LCM(47438,47453) = 21 × 237191 × 71 × 67791
LCM(47438,47453) = 2251075414