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What is the Least Common Multiple of 9867 and 9878?

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 9867 and 9878 is 8860566.

LCM(9867,9878) = 8860566

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Least Common Multiple of 9867 and 9878 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9867 and 9878, than apply into the LCM equation.

GCF(9867,9878) = 11
LCM(9867,9878) = ( 9867 × 9878) / 11
LCM(9867,9878) = 97466226 / 11
LCM(9867,9878) = 8860566

Least Common Multiple (LCM) of 9867 and 9878 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 9867 and 9878. First we will calculate the prime factors of 9867 and 9878.

Prime Factorization of 9867

Prime factors of 9867 are 3, 11, 13, 23. Prime factorization of 9867 in exponential form is:

9867 = 31 × 111 × 131 × 231

Prime Factorization of 9878

Prime factors of 9878 are 2, 11, 449. Prime factorization of 9878 in exponential form is:

9878 = 21 × 111 × 4491

Now multiplying the highest exponent prime factors to calculate the LCM of 9867 and 9878.

LCM(9867,9878) = 31 × 111 × 131 × 231 × 21 × 4491
LCM(9867,9878) = 8860566