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What is the Least Common Multiple of 47446 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 47446 and 47453 is 321636434.

LCM(47446,47453) = 321636434

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Least Common Multiple of 47446 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 47446 and 47453, than apply into the LCM equation.

GCF(47446,47453) = 7
LCM(47446,47453) = ( 47446 × 47453) / 7
LCM(47446,47453) = 2251455038 / 7
LCM(47446,47453) = 321636434

Least Common Multiple (LCM) of 47446 and 47453 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47446 and 47453. First we will calculate the prime factors of 47446 and 47453.

Prime Factorization of 47446

Prime factors of 47446 are 2, 7, 3389. Prime factorization of 47446 in exponential form is:

47446 = 21 × 71 × 33891

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 47446 and 47453.

LCM(47446,47453) = 21 × 71 × 33891 × 67791
LCM(47446,47453) = 321636434