GCF and LCM Calculator Logo

What is the Least Common Multiple of 71423 and 71439?

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 71423 and 71439 is 5102387697.

LCM(71423,71439) = 5102387697

LCM Calculator and
and

Least Common Multiple of 71423 and 71439 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71423 and 71439, than apply into the LCM equation.

GCF(71423,71439) = 1
LCM(71423,71439) = ( 71423 × 71439) / 1
LCM(71423,71439) = 5102387697 / 1
LCM(71423,71439) = 5102387697

Least Common Multiple (LCM) of 71423 and 71439 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71423 and 71439. First we will calculate the prime factors of 71423 and 71439.

Prime Factorization of 71423

Prime factors of 71423 are 11, 43, 151. Prime factorization of 71423 in exponential form is:

71423 = 111 × 431 × 1511

Prime Factorization of 71439

Prime factors of 71439 are 3, 23813. Prime factorization of 71439 in exponential form is:

71439 = 31 × 238131

Now multiplying the highest exponent prime factors to calculate the LCM of 71423 and 71439.

LCM(71423,71439) = 111 × 431 × 1511 × 31 × 238131
LCM(71423,71439) = 5102387697