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What is the Least Common Multiple of 28528 and 28543?

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 28528 and 28543 is 814274704.

LCM(28528,28543) = 814274704

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Least Common Multiple of 28528 and 28543 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28528 and 28543, than apply into the LCM equation.

GCF(28528,28543) = 1
LCM(28528,28543) = ( 28528 × 28543) / 1
LCM(28528,28543) = 814274704 / 1
LCM(28528,28543) = 814274704

Least Common Multiple (LCM) of 28528 and 28543 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28528 and 28543. First we will calculate the prime factors of 28528 and 28543.

Prime Factorization of 28528

Prime factors of 28528 are 2, 1783. Prime factorization of 28528 in exponential form is:

28528 = 24 × 17831

Prime Factorization of 28543

Prime factors of 28543 are 17, 23, 73. Prime factorization of 28543 in exponential form is:

28543 = 171 × 231 × 731

Now multiplying the highest exponent prime factors to calculate the LCM of 28528 and 28543.

LCM(28528,28543) = 24 × 17831 × 171 × 231 × 731
LCM(28528,28543) = 814274704