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What is the Least Common Multiple of 13921 and 13936?

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 13921 and 13936 is 194003056.

LCM(13921,13936) = 194003056

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Least Common Multiple of 13921 and 13936 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13921 and 13936, than apply into the LCM equation.

GCF(13921,13936) = 1
LCM(13921,13936) = ( 13921 × 13936) / 1
LCM(13921,13936) = 194003056 / 1
LCM(13921,13936) = 194003056

Least Common Multiple (LCM) of 13921 and 13936 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13921 and 13936. First we will calculate the prime factors of 13921 and 13936.

Prime Factorization of 13921

Prime factors of 13921 are 13921. Prime factorization of 13921 in exponential form is:

13921 = 139211

Prime Factorization of 13936

Prime factors of 13936 are 2, 13, 67. Prime factorization of 13936 in exponential form is:

13936 = 24 × 131 × 671

Now multiplying the highest exponent prime factors to calculate the LCM of 13921 and 13936.

LCM(13921,13936) = 139211 × 24 × 131 × 671
LCM(13921,13936) = 194003056