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What is the Least Common Multiple of 42878 and 42893?

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 42878 and 42893 is 1839166054.

LCM(42878,42893) = 1839166054

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Least Common Multiple of 42878 and 42893 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42878 and 42893, than apply into the LCM equation.

GCF(42878,42893) = 1
LCM(42878,42893) = ( 42878 × 42893) / 1
LCM(42878,42893) = 1839166054 / 1
LCM(42878,42893) = 1839166054

Least Common Multiple (LCM) of 42878 and 42893 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42878 and 42893. First we will calculate the prime factors of 42878 and 42893.

Prime Factorization of 42878

Prime factors of 42878 are 2, 11, 1949. Prime factorization of 42878 in exponential form is:

42878 = 21 × 111 × 19491

Prime Factorization of 42893

Prime factors of 42893 are 59, 727. Prime factorization of 42893 in exponential form is:

42893 = 591 × 7271

Now multiplying the highest exponent prime factors to calculate the LCM of 42878 and 42893.

LCM(42878,42893) = 21 × 111 × 19491 × 591 × 7271
LCM(42878,42893) = 1839166054