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What is the Least Common Multiple of 20944 and 20949?

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 20944 and 20949 is 438755856.

LCM(20944,20949) = 438755856

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Least Common Multiple of 20944 and 20949 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20944 and 20949, than apply into the LCM equation.

GCF(20944,20949) = 1
LCM(20944,20949) = ( 20944 × 20949) / 1
LCM(20944,20949) = 438755856 / 1
LCM(20944,20949) = 438755856

Least Common Multiple (LCM) of 20944 and 20949 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20944 and 20949. First we will calculate the prime factors of 20944 and 20949.

Prime Factorization of 20944

Prime factors of 20944 are 2, 7, 11, 17. Prime factorization of 20944 in exponential form is:

20944 = 24 × 71 × 111 × 171

Prime Factorization of 20949

Prime factors of 20949 are 3, 6983. Prime factorization of 20949 in exponential form is:

20949 = 31 × 69831

Now multiplying the highest exponent prime factors to calculate the LCM of 20944 and 20949.

LCM(20944,20949) = 24 × 71 × 111 × 171 × 31 × 69831
LCM(20944,20949) = 438755856