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What is the Least Common Multiple of 2916 and 2921?

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 2916 and 2921 is 8517636.

LCM(2916,2921) = 8517636

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Least Common Multiple of 2916 and 2921 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2916 and 2921, than apply into the LCM equation.

GCF(2916,2921) = 1
LCM(2916,2921) = ( 2916 × 2921) / 1
LCM(2916,2921) = 8517636 / 1
LCM(2916,2921) = 8517636

Least Common Multiple (LCM) of 2916 and 2921 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2916 and 2921. First we will calculate the prime factors of 2916 and 2921.

Prime Factorization of 2916

Prime factors of 2916 are 2, 3. Prime factorization of 2916 in exponential form is:

2916 = 22 × 36

Prime Factorization of 2921

Prime factors of 2921 are 23, 127. Prime factorization of 2921 in exponential form is:

2921 = 231 × 1271

Now multiplying the highest exponent prime factors to calculate the LCM of 2916 and 2921.

LCM(2916,2921) = 22 × 36 × 231 × 1271
LCM(2916,2921) = 8517636