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What is the Least Common Multiple of 847 and 867?

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 847 and 867 is 734349.

LCM(847,867) = 734349

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Least Common Multiple of 847 and 867 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 847 and 867, than apply into the LCM equation.

GCF(847,867) = 1
LCM(847,867) = ( 847 × 867) / 1
LCM(847,867) = 734349 / 1
LCM(847,867) = 734349

Least Common Multiple (LCM) of 847 and 867 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 847 and 867. First we will calculate the prime factors of 847 and 867.

Prime Factorization of 847

Prime factors of 847 are 7, 11. Prime factorization of 847 in exponential form is:

847 = 71 × 112

Prime Factorization of 867

Prime factors of 867 are 3, 17. Prime factorization of 867 in exponential form is:

867 = 31 × 172

Now multiplying the highest exponent prime factors to calculate the LCM of 847 and 867.

LCM(847,867) = 71 × 112 × 31 × 172
LCM(847,867) = 734349