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What is the Least Common Multiple of 16913 and 16921?

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 16913 and 16921 is 286184873.

LCM(16913,16921) = 286184873

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Least Common Multiple of 16913 and 16921 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16913 and 16921, than apply into the LCM equation.

GCF(16913,16921) = 1
LCM(16913,16921) = ( 16913 × 16921) / 1
LCM(16913,16921) = 286184873 / 1
LCM(16913,16921) = 286184873

Least Common Multiple (LCM) of 16913 and 16921 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16913 and 16921. First we will calculate the prime factors of 16913 and 16921.

Prime Factorization of 16913

Prime factors of 16913 are 13, 1301. Prime factorization of 16913 in exponential form is:

16913 = 131 × 13011

Prime Factorization of 16921

Prime factors of 16921 are 16921. Prime factorization of 16921 in exponential form is:

16921 = 169211

Now multiplying the highest exponent prime factors to calculate the LCM of 16913 and 16921.

LCM(16913,16921) = 131 × 13011 × 169211
LCM(16913,16921) = 286184873