GCF and LCM Calculator Logo

What is the Least Common Multiple of 42823 and 42828?

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 42823 and 42828 is 1834023444.

LCM(42823,42828) = 1834023444

LCM Calculator and
and

Least Common Multiple of 42823 and 42828 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42823 and 42828, than apply into the LCM equation.

GCF(42823,42828) = 1
LCM(42823,42828) = ( 42823 × 42828) / 1
LCM(42823,42828) = 1834023444 / 1
LCM(42823,42828) = 1834023444

Least Common Multiple (LCM) of 42823 and 42828 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42823 and 42828. First we will calculate the prime factors of 42823 and 42828.

Prime Factorization of 42823

Prime factors of 42823 are 11, 17, 229. Prime factorization of 42823 in exponential form is:

42823 = 111 × 171 × 2291

Prime Factorization of 42828

Prime factors of 42828 are 2, 3, 43, 83. Prime factorization of 42828 in exponential form is:

42828 = 22 × 31 × 431 × 831

Now multiplying the highest exponent prime factors to calculate the LCM of 42823 and 42828.

LCM(42823,42828) = 111 × 171 × 2291 × 22 × 31 × 431 × 831
LCM(42823,42828) = 1834023444