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What is the Least Common Multiple of 3686 and 3699?

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 3686 and 3699 is 13634514.

LCM(3686,3699) = 13634514

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Least Common Multiple of 3686 and 3699 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3686 and 3699, than apply into the LCM equation.

GCF(3686,3699) = 1
LCM(3686,3699) = ( 3686 × 3699) / 1
LCM(3686,3699) = 13634514 / 1
LCM(3686,3699) = 13634514

Least Common Multiple (LCM) of 3686 and 3699 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3686 and 3699. First we will calculate the prime factors of 3686 and 3699.

Prime Factorization of 3686

Prime factors of 3686 are 2, 19, 97. Prime factorization of 3686 in exponential form is:

3686 = 21 × 191 × 971

Prime Factorization of 3699

Prime factors of 3699 are 3, 137. Prime factorization of 3699 in exponential form is:

3699 = 33 × 1371

Now multiplying the highest exponent prime factors to calculate the LCM of 3686 and 3699.

LCM(3686,3699) = 21 × 191 × 971 × 33 × 1371
LCM(3686,3699) = 13634514