GCF and LCM Calculator Logo

What is the Least Common Multiple of 71731 and 71744?

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 71731 and 71744 is 5146268864.

LCM(71731,71744) = 5146268864

LCM Calculator and
and

Least Common Multiple of 71731 and 71744 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71731 and 71744, than apply into the LCM equation.

GCF(71731,71744) = 1
LCM(71731,71744) = ( 71731 × 71744) / 1
LCM(71731,71744) = 5146268864 / 1
LCM(71731,71744) = 5146268864

Least Common Multiple (LCM) of 71731 and 71744 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71731 and 71744. First we will calculate the prime factors of 71731 and 71744.

Prime Factorization of 71731

Prime factors of 71731 are 11, 6521. Prime factorization of 71731 in exponential form is:

71731 = 111 × 65211

Prime Factorization of 71744

Prime factors of 71744 are 2, 19, 59. Prime factorization of 71744 in exponential form is:

71744 = 26 × 191 × 591

Now multiplying the highest exponent prime factors to calculate the LCM of 71731 and 71744.

LCM(71731,71744) = 111 × 65211 × 26 × 191 × 591
LCM(71731,71744) = 5146268864