GCF and LCM Calculator Logo

What is the Least Common Multiple of 42423 and 42433?

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 42423 and 42433 is 1800135159.

LCM(42423,42433) = 1800135159

LCM Calculator and
and

Least Common Multiple of 42423 and 42433 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42423 and 42433, than apply into the LCM equation.

GCF(42423,42433) = 1
LCM(42423,42433) = ( 42423 × 42433) / 1
LCM(42423,42433) = 1800135159 / 1
LCM(42423,42433) = 1800135159

Least Common Multiple (LCM) of 42423 and 42433 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42423 and 42433. First we will calculate the prime factors of 42423 and 42433.

Prime Factorization of 42423

Prime factors of 42423 are 3, 79, 179. Prime factorization of 42423 in exponential form is:

42423 = 31 × 791 × 1791

Prime Factorization of 42433

Prime factors of 42433 are 42433. Prime factorization of 42433 in exponential form is:

42433 = 424331

Now multiplying the highest exponent prime factors to calculate the LCM of 42423 and 42433.

LCM(42423,42433) = 31 × 791 × 1791 × 424331
LCM(42423,42433) = 1800135159