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What is the Least Common Multiple of 20844 and 20862?

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 20844 and 20862 is 24158196.

LCM(20844,20862) = 24158196

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Least Common Multiple of 20844 and 20862 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20844 and 20862, than apply into the LCM equation.

GCF(20844,20862) = 18
LCM(20844,20862) = ( 20844 × 20862) / 18
LCM(20844,20862) = 434847528 / 18
LCM(20844,20862) = 24158196

Least Common Multiple (LCM) of 20844 and 20862 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20844 and 20862. First we will calculate the prime factors of 20844 and 20862.

Prime Factorization of 20844

Prime factors of 20844 are 2, 3, 193. Prime factorization of 20844 in exponential form is:

20844 = 22 × 33 × 1931

Prime Factorization of 20862

Prime factors of 20862 are 2, 3, 19, 61. Prime factorization of 20862 in exponential form is:

20862 = 21 × 32 × 191 × 611

Now multiplying the highest exponent prime factors to calculate the LCM of 20844 and 20862.

LCM(20844,20862) = 22 × 33 × 1931 × 191 × 611
LCM(20844,20862) = 24158196