GCF and LCM Calculator Logo

What is the Least Common Multiple of 42175 and 42186?

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 42175 and 42186 is 1779194550.

LCM(42175,42186) = 1779194550

LCM Calculator and
and

Least Common Multiple of 42175 and 42186 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42175 and 42186, than apply into the LCM equation.

GCF(42175,42186) = 1
LCM(42175,42186) = ( 42175 × 42186) / 1
LCM(42175,42186) = 1779194550 / 1
LCM(42175,42186) = 1779194550

Least Common Multiple (LCM) of 42175 and 42186 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42175 and 42186. First we will calculate the prime factors of 42175 and 42186.

Prime Factorization of 42175

Prime factors of 42175 are 5, 7, 241. Prime factorization of 42175 in exponential form is:

42175 = 52 × 71 × 2411

Prime Factorization of 42186

Prime factors of 42186 are 2, 3, 79, 89. Prime factorization of 42186 in exponential form is:

42186 = 21 × 31 × 791 × 891

Now multiplying the highest exponent prime factors to calculate the LCM of 42175 and 42186.

LCM(42175,42186) = 52 × 71 × 2411 × 21 × 31 × 791 × 891
LCM(42175,42186) = 1779194550