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What is the Least Common Multiple of 20427 and 20432?

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 20427 and 20432 is 417364464.

LCM(20427,20432) = 417364464

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Least Common Multiple of 20427 and 20432 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20427 and 20432, than apply into the LCM equation.

GCF(20427,20432) = 1
LCM(20427,20432) = ( 20427 × 20432) / 1
LCM(20427,20432) = 417364464 / 1
LCM(20427,20432) = 417364464

Least Common Multiple (LCM) of 20427 and 20432 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20427 and 20432. First we will calculate the prime factors of 20427 and 20432.

Prime Factorization of 20427

Prime factors of 20427 are 3, 11, 619. Prime factorization of 20427 in exponential form is:

20427 = 31 × 111 × 6191

Prime Factorization of 20432

Prime factors of 20432 are 2, 1277. Prime factorization of 20432 in exponential form is:

20432 = 24 × 12771

Now multiplying the highest exponent prime factors to calculate the LCM of 20427 and 20432.

LCM(20427,20432) = 31 × 111 × 6191 × 24 × 12771
LCM(20427,20432) = 417364464