GCF and LCM Calculator Logo

What is the Least Common Multiple of 40711 and 40720?

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 40711 and 40720 is 1657751920.

LCM(40711,40720) = 1657751920

LCM Calculator and
and

Least Common Multiple of 40711 and 40720 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40711 and 40720, than apply into the LCM equation.

GCF(40711,40720) = 1
LCM(40711,40720) = ( 40711 × 40720) / 1
LCM(40711,40720) = 1657751920 / 1
LCM(40711,40720) = 1657751920

Least Common Multiple (LCM) of 40711 and 40720 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40711 and 40720. First we will calculate the prime factors of 40711 and 40720.

Prime Factorization of 40711

Prime factors of 40711 are 11, 3701. Prime factorization of 40711 in exponential form is:

40711 = 111 × 37011

Prime Factorization of 40720

Prime factors of 40720 are 2, 5, 509. Prime factorization of 40720 in exponential form is:

40720 = 24 × 51 × 5091

Now multiplying the highest exponent prime factors to calculate the LCM of 40711 and 40720.

LCM(40711,40720) = 111 × 37011 × 24 × 51 × 5091
LCM(40711,40720) = 1657751920