GCF and LCM Calculator Logo

What is the Least Common Multiple of 40769 and 40781?

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 40769 and 40781 is 1662600589.

LCM(40769,40781) = 1662600589

LCM Calculator and
and

Least Common Multiple of 40769 and 40781 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40769 and 40781, than apply into the LCM equation.

GCF(40769,40781) = 1
LCM(40769,40781) = ( 40769 × 40781) / 1
LCM(40769,40781) = 1662600589 / 1
LCM(40769,40781) = 1662600589

Least Common Multiple (LCM) of 40769 and 40781 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40769 and 40781. First we will calculate the prime factors of 40769 and 40781.

Prime Factorization of 40769

Prime factors of 40769 are 59, 691. Prime factorization of 40769 in exponential form is:

40769 = 591 × 6911

Prime Factorization of 40781

Prime factors of 40781 are 13, 3137. Prime factorization of 40781 in exponential form is:

40781 = 131 × 31371

Now multiplying the highest exponent prime factors to calculate the LCM of 40769 and 40781.

LCM(40769,40781) = 591 × 6911 × 131 × 31371
LCM(40769,40781) = 1662600589