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What is the Least Common Multiple of 2443 and 2447?

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 2443 and 2447 is 5978021.

LCM(2443,2447) = 5978021

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Least Common Multiple of 2443 and 2447 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2443 and 2447, than apply into the LCM equation.

GCF(2443,2447) = 1
LCM(2443,2447) = ( 2443 × 2447) / 1
LCM(2443,2447) = 5978021 / 1
LCM(2443,2447) = 5978021

Least Common Multiple (LCM) of 2443 and 2447 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2443 and 2447. First we will calculate the prime factors of 2443 and 2447.

Prime Factorization of 2443

Prime factors of 2443 are 7, 349. Prime factorization of 2443 in exponential form is:

2443 = 71 × 3491

Prime Factorization of 2447

Prime factors of 2447 are 2447. Prime factorization of 2447 in exponential form is:

2447 = 24471

Now multiplying the highest exponent prime factors to calculate the LCM of 2443 and 2447.

LCM(2443,2447) = 71 × 3491 × 24471
LCM(2443,2447) = 5978021