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What is the Least Common Multiple of 878 and 885?

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 885 is 777030.

LCM(878,885) = 777030

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Least Common Multiple of 878 and 885 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 885, than apply into the LCM equation.

GCF(878,885) = 1
LCM(878,885) = ( 878 × 885) / 1
LCM(878,885) = 777030 / 1
LCM(878,885) = 777030

Least Common Multiple (LCM) of 878 and 885 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 878 and 885. First we will calculate the prime factors of 878 and 885.

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 885

Prime factors of 885 are 3, 5, 59. Prime factorization of 885 in exponential form is:

885 = 31 × 51 × 591

Now multiplying the highest exponent prime factors to calculate the LCM of 878 and 885.

LCM(878,885) = 21 × 4391 × 31 × 51 × 591
LCM(878,885) = 777030