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What is the Least Common Multiple of 865 and 884?

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 865 and 884 is 764660.

LCM(865,884) = 764660

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Least Common Multiple of 865 and 884 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 865 and 884, than apply into the LCM equation.

GCF(865,884) = 1
LCM(865,884) = ( 865 × 884) / 1
LCM(865,884) = 764660 / 1
LCM(865,884) = 764660

Least Common Multiple (LCM) of 865 and 884 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 865 and 884. First we will calculate the prime factors of 865 and 884.

Prime Factorization of 865

Prime factors of 865 are 5, 173. Prime factorization of 865 in exponential form is:

865 = 51 × 1731

Prime Factorization of 884

Prime factors of 884 are 2, 13, 17. Prime factorization of 884 in exponential form is:

884 = 22 × 131 × 171

Now multiplying the highest exponent prime factors to calculate the LCM of 865 and 884.

LCM(865,884) = 51 × 1731 × 22 × 131 × 171
LCM(865,884) = 764660