GCF and LCM Calculator Logo

What is the Least Common Multiple of 84686 and 84704?

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 84686 and 84704 is 3586621472.

LCM(84686,84704) = 3586621472

LCM Calculator and
and

Least Common Multiple of 84686 and 84704 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 84686 and 84704, than apply into the LCM equation.

GCF(84686,84704) = 2
LCM(84686,84704) = ( 84686 × 84704) / 2
LCM(84686,84704) = 7173242944 / 2
LCM(84686,84704) = 3586621472

Least Common Multiple (LCM) of 84686 and 84704 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 84686 and 84704. First we will calculate the prime factors of 84686 and 84704.

Prime Factorization of 84686

Prime factors of 84686 are 2, 7, 23, 263. Prime factorization of 84686 in exponential form is:

84686 = 21 × 71 × 231 × 2631

Prime Factorization of 84704

Prime factors of 84704 are 2, 2647. Prime factorization of 84704 in exponential form is:

84704 = 25 × 26471

Now multiplying the highest exponent prime factors to calculate the LCM of 84686 and 84704.

LCM(84686,84704) = 25 × 71 × 231 × 2631 × 26471
LCM(84686,84704) = 3586621472