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What is the Least Common Multiple of 20773 and 20791?

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 20773 and 20791 is 431891443.

LCM(20773,20791) = 431891443

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Least Common Multiple of 20773 and 20791 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20773 and 20791, than apply into the LCM equation.

GCF(20773,20791) = 1
LCM(20773,20791) = ( 20773 × 20791) / 1
LCM(20773,20791) = 431891443 / 1
LCM(20773,20791) = 431891443

Least Common Multiple (LCM) of 20773 and 20791 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20773 and 20791. First we will calculate the prime factors of 20773 and 20791.

Prime Factorization of 20773

Prime factors of 20773 are 20773. Prime factorization of 20773 in exponential form is:

20773 = 207731

Prime Factorization of 20791

Prime factors of 20791 are 17, 1223. Prime factorization of 20791 in exponential form is:

20791 = 171 × 12231

Now multiplying the highest exponent prime factors to calculate the LCM of 20773 and 20791.

LCM(20773,20791) = 207731 × 171 × 12231
LCM(20773,20791) = 431891443