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What is the Least Common Multiple of 3874 and 3887?

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 3874 and 3887 is 1158326.

LCM(3874,3887) = 1158326

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Least Common Multiple of 3874 and 3887 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3874 and 3887, than apply into the LCM equation.

GCF(3874,3887) = 13
LCM(3874,3887) = ( 3874 × 3887) / 13
LCM(3874,3887) = 15058238 / 13
LCM(3874,3887) = 1158326

Least Common Multiple (LCM) of 3874 and 3887 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3874 and 3887. First we will calculate the prime factors of 3874 and 3887.

Prime Factorization of 3874

Prime factors of 3874 are 2, 13, 149. Prime factorization of 3874 in exponential form is:

3874 = 21 × 131 × 1491

Prime Factorization of 3887

Prime factors of 3887 are 13, 23. Prime factorization of 3887 in exponential form is:

3887 = 132 × 231

Now multiplying the highest exponent prime factors to calculate the LCM of 3874 and 3887.

LCM(3874,3887) = 21 × 132 × 1491 × 231
LCM(3874,3887) = 1158326