GCF and LCM Calculator Logo

What is the Least Common Multiple of 83724 and 83742?

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 83724 and 83742 is 1168535868.

LCM(83724,83742) = 1168535868

LCM Calculator and
and

Least Common Multiple of 83724 and 83742 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83724 and 83742, than apply into the LCM equation.

GCF(83724,83742) = 6
LCM(83724,83742) = ( 83724 × 83742) / 6
LCM(83724,83742) = 7011215208 / 6
LCM(83724,83742) = 1168535868

Least Common Multiple (LCM) of 83724 and 83742 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83724 and 83742. First we will calculate the prime factors of 83724 and 83742.

Prime Factorization of 83724

Prime factors of 83724 are 2, 3, 6977. Prime factorization of 83724 in exponential form is:

83724 = 22 × 31 × 69771

Prime Factorization of 83742

Prime factors of 83742 are 2, 3, 17, 821. Prime factorization of 83742 in exponential form is:

83742 = 21 × 31 × 171 × 8211

Now multiplying the highest exponent prime factors to calculate the LCM of 83724 and 83742.

LCM(83724,83742) = 22 × 31 × 69771 × 171 × 8211
LCM(83724,83742) = 1168535868