What is the Least Common Multiple of 28443 and 28447?
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 28443 and 28447 is 809118021.
LCM(28443,28447) = 809118021
Least Common Multiple of 28443 and 28447 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28443 and 28447, than apply into the LCM equation.
GCF(28443,28447) = 1
LCM(28443,28447) = ( 28443 × 28447) / 1
LCM(28443,28447) = 809118021 / 1
LCM(28443,28447) = 809118021
Least Common Multiple (LCM) of 28443 and 28447 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 28443 and 28447. First we will calculate the prime factors of 28443 and 28447.
Prime Factorization of 28443
Prime factors of 28443 are 3, 19, 499. Prime factorization of 28443 in exponential form is:
28443 = 31 × 191 × 4991
Prime Factorization of 28447
Prime factors of 28447 are 28447. Prime factorization of 28447 in exponential form is:
28447 = 284471
Now multiplying the highest exponent prime factors to calculate the LCM of 28443 and 28447.
LCM(28443,28447) = 31 × 191 × 4991 × 284471
LCM(28443,28447) = 809118021
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