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What is the Least Common Multiple of 1874 and 1889?

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 1874 and 1889 is 3539986.

LCM(1874,1889) = 3539986

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Least Common Multiple of 1874 and 1889 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1874 and 1889, than apply into the LCM equation.

GCF(1874,1889) = 1
LCM(1874,1889) = ( 1874 × 1889) / 1
LCM(1874,1889) = 3539986 / 1
LCM(1874,1889) = 3539986

Least Common Multiple (LCM) of 1874 and 1889 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1874 and 1889. First we will calculate the prime factors of 1874 and 1889.

Prime Factorization of 1874

Prime factors of 1874 are 2, 937. Prime factorization of 1874 in exponential form is:

1874 = 21 × 9371

Prime Factorization of 1889

Prime factors of 1889 are 1889. Prime factorization of 1889 in exponential form is:

1889 = 18891

Now multiplying the highest exponent prime factors to calculate the LCM of 1874 and 1889.

LCM(1874,1889) = 21 × 9371 × 18891
LCM(1874,1889) = 3539986