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What is the Least Common Multiple of 28923 and 28940?

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 28923 and 28940 is 837031620.

LCM(28923,28940) = 837031620

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Least Common Multiple of 28923 and 28940 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28923 and 28940, than apply into the LCM equation.

GCF(28923,28940) = 1
LCM(28923,28940) = ( 28923 × 28940) / 1
LCM(28923,28940) = 837031620 / 1
LCM(28923,28940) = 837031620

Least Common Multiple (LCM) of 28923 and 28940 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28923 and 28940. First we will calculate the prime factors of 28923 and 28940.

Prime Factorization of 28923

Prime factors of 28923 are 3, 31, 311. Prime factorization of 28923 in exponential form is:

28923 = 31 × 311 × 3111

Prime Factorization of 28940

Prime factors of 28940 are 2, 5, 1447. Prime factorization of 28940 in exponential form is:

28940 = 22 × 51 × 14471

Now multiplying the highest exponent prime factors to calculate the LCM of 28923 and 28940.

LCM(28923,28940) = 31 × 311 × 3111 × 22 × 51 × 14471
LCM(28923,28940) = 837031620