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What is the Least Common Multiple of 20737 and 20742?

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 20737 and 20742 is 430126854.

LCM(20737,20742) = 430126854

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Least Common Multiple of 20737 and 20742 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20737 and 20742, than apply into the LCM equation.

GCF(20737,20742) = 1
LCM(20737,20742) = ( 20737 × 20742) / 1
LCM(20737,20742) = 430126854 / 1
LCM(20737,20742) = 430126854

Least Common Multiple (LCM) of 20737 and 20742 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20737 and 20742. First we will calculate the prime factors of 20737 and 20742.

Prime Factorization of 20737

Prime factors of 20737 are 89, 233. Prime factorization of 20737 in exponential form is:

20737 = 891 × 2331

Prime Factorization of 20742

Prime factors of 20742 are 2, 3, 3457. Prime factorization of 20742 in exponential form is:

20742 = 21 × 31 × 34571

Now multiplying the highest exponent prime factors to calculate the LCM of 20737 and 20742.

LCM(20737,20742) = 891 × 2331 × 21 × 31 × 34571
LCM(20737,20742) = 430126854