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What is the Least Common Multiple of 3869 and 3889?

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 3869 and 3889 is 15046541.

LCM(3869,3889) = 15046541

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Least Common Multiple of 3869 and 3889 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3869 and 3889, than apply into the LCM equation.

GCF(3869,3889) = 1
LCM(3869,3889) = ( 3869 × 3889) / 1
LCM(3869,3889) = 15046541 / 1
LCM(3869,3889) = 15046541

Least Common Multiple (LCM) of 3869 and 3889 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3869 and 3889. First we will calculate the prime factors of 3869 and 3889.

Prime Factorization of 3869

Prime factors of 3869 are 53, 73. Prime factorization of 3869 in exponential form is:

3869 = 531 × 731

Prime Factorization of 3889

Prime factors of 3889 are 3889. Prime factorization of 3889 in exponential form is:

3889 = 38891

Now multiplying the highest exponent prime factors to calculate the LCM of 3869 and 3889.

LCM(3869,3889) = 531 × 731 × 38891
LCM(3869,3889) = 15046541