GCF and LCM Calculator Logo

What is the Least Common Multiple of 42024 and 42031?

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 42024 and 42031 is 1766310744.

LCM(42024,42031) = 1766310744

LCM Calculator and
and

Least Common Multiple of 42024 and 42031 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42024 and 42031, than apply into the LCM equation.

GCF(42024,42031) = 1
LCM(42024,42031) = ( 42024 × 42031) / 1
LCM(42024,42031) = 1766310744 / 1
LCM(42024,42031) = 1766310744

Least Common Multiple (LCM) of 42024 and 42031 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42024 and 42031. First we will calculate the prime factors of 42024 and 42031.

Prime Factorization of 42024

Prime factors of 42024 are 2, 3, 17, 103. Prime factorization of 42024 in exponential form is:

42024 = 23 × 31 × 171 × 1031

Prime Factorization of 42031

Prime factors of 42031 are 11, 3821. Prime factorization of 42031 in exponential form is:

42031 = 111 × 38211

Now multiplying the highest exponent prime factors to calculate the LCM of 42024 and 42031.

LCM(42024,42031) = 23 × 31 × 171 × 1031 × 111 × 38211
LCM(42024,42031) = 1766310744