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What is the Least Common Multiple of 896 and 916?

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 896 and 916 is 205184.

LCM(896,916) = 205184

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Least Common Multiple of 896 and 916 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 896 and 916, than apply into the LCM equation.

GCF(896,916) = 4
LCM(896,916) = ( 896 × 916) / 4
LCM(896,916) = 820736 / 4
LCM(896,916) = 205184

Least Common Multiple (LCM) of 896 and 916 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 896 and 916. First we will calculate the prime factors of 896 and 916.

Prime Factorization of 896

Prime factors of 896 are 2, 7. Prime factorization of 896 in exponential form is:

896 = 27 × 71

Prime Factorization of 916

Prime factors of 916 are 2, 229. Prime factorization of 916 in exponential form is:

916 = 22 × 2291

Now multiplying the highest exponent prime factors to calculate the LCM of 896 and 916.

LCM(896,916) = 27 × 71 × 2291
LCM(896,916) = 205184