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What is the Least Common Multiple of 23781 and 23789?

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 23781 and 23789 is 565726209.

LCM(23781,23789) = 565726209

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Least Common Multiple of 23781 and 23789 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 23781 and 23789, than apply into the LCM equation.

GCF(23781,23789) = 1
LCM(23781,23789) = ( 23781 × 23789) / 1
LCM(23781,23789) = 565726209 / 1
LCM(23781,23789) = 565726209

Least Common Multiple (LCM) of 23781 and 23789 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 23781 and 23789. First we will calculate the prime factors of 23781 and 23789.

Prime Factorization of 23781

Prime factors of 23781 are 3, 7927. Prime factorization of 23781 in exponential form is:

23781 = 31 × 79271

Prime Factorization of 23789

Prime factors of 23789 are 23789. Prime factorization of 23789 in exponential form is:

23789 = 237891

Now multiplying the highest exponent prime factors to calculate the LCM of 23781 and 23789.

LCM(23781,23789) = 31 × 79271 × 237891
LCM(23781,23789) = 565726209