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What is the Least Common Multiple of 49861 and 49878?

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 49861 and 49878 is 146292174.

LCM(49861,49878) = 146292174

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Least Common Multiple of 49861 and 49878 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 49861 and 49878, than apply into the LCM equation.

GCF(49861,49878) = 17
LCM(49861,49878) = ( 49861 × 49878) / 17
LCM(49861,49878) = 2486966958 / 17
LCM(49861,49878) = 146292174

Least Common Multiple (LCM) of 49861 and 49878 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 49861 and 49878. First we will calculate the prime factors of 49861 and 49878.

Prime Factorization of 49861

Prime factors of 49861 are 7, 17, 419. Prime factorization of 49861 in exponential form is:

49861 = 71 × 171 × 4191

Prime Factorization of 49878

Prime factors of 49878 are 2, 3, 17, 163. Prime factorization of 49878 in exponential form is:

49878 = 21 × 32 × 171 × 1631

Now multiplying the highest exponent prime factors to calculate the LCM of 49861 and 49878.

LCM(49861,49878) = 71 × 171 × 4191 × 21 × 32 × 1631
LCM(49861,49878) = 146292174