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What is the Least Common Multiple of 20834 and 20851?

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 20834 and 20851 is 434409734.

LCM(20834,20851) = 434409734

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Least Common Multiple of 20834 and 20851 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20834 and 20851, than apply into the LCM equation.

GCF(20834,20851) = 1
LCM(20834,20851) = ( 20834 × 20851) / 1
LCM(20834,20851) = 434409734 / 1
LCM(20834,20851) = 434409734

Least Common Multiple (LCM) of 20834 and 20851 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20834 and 20851. First we will calculate the prime factors of 20834 and 20851.

Prime Factorization of 20834

Prime factors of 20834 are 2, 11, 947. Prime factorization of 20834 in exponential form is:

20834 = 21 × 111 × 9471

Prime Factorization of 20851

Prime factors of 20851 are 29, 719. Prime factorization of 20851 in exponential form is:

20851 = 291 × 7191

Now multiplying the highest exponent prime factors to calculate the LCM of 20834 and 20851.

LCM(20834,20851) = 21 × 111 × 9471 × 291 × 7191
LCM(20834,20851) = 434409734