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What is the Least Common Multiple of 878 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 878 and 884 is 388076.

LCM(878,884) = 388076

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Least Common Multiple of 878 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 878 and 884, than apply into the LCM equation.

GCF(878,884) = 2
LCM(878,884) = ( 878 × 884) / 2
LCM(878,884) = 776152 / 2
LCM(878,884) = 388076

Least Common Multiple (LCM) of 878 and 884 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 878 and 884. First we will calculate the prime factors of 878 and 884.

Prime Factorization of 878

Prime factors of 878 are 2, 439. Prime factorization of 878 in exponential form is:

878 = 21 × 4391

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 878 and 884.

LCM(878,884) = 22 × 4391 × 131 × 171
LCM(878,884) = 388076