GCF and LCM Calculator Logo

What is the Least Common Multiple of 28031 and 28042?

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 28031 and 28042 is 786045302.

LCM(28031,28042) = 786045302

LCM Calculator and
and

Least Common Multiple of 28031 and 28042 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28031 and 28042, than apply into the LCM equation.

GCF(28031,28042) = 1
LCM(28031,28042) = ( 28031 × 28042) / 1
LCM(28031,28042) = 786045302 / 1
LCM(28031,28042) = 786045302

Least Common Multiple (LCM) of 28031 and 28042 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28031 and 28042. First we will calculate the prime factors of 28031 and 28042.

Prime Factorization of 28031

Prime factors of 28031 are 28031. Prime factorization of 28031 in exponential form is:

28031 = 280311

Prime Factorization of 28042

Prime factors of 28042 are 2, 7, 2003. Prime factorization of 28042 in exponential form is:

28042 = 21 × 71 × 20031

Now multiplying the highest exponent prime factors to calculate the LCM of 28031 and 28042.

LCM(28031,28042) = 280311 × 21 × 71 × 20031
LCM(28031,28042) = 786045302