GCF and LCM Calculator Logo

What is the Least Common Multiple of 85761 and 85771?

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 85761 and 85771 is 7355806731.

LCM(85761,85771) = 7355806731

LCM Calculator and
and

Least Common Multiple of 85761 and 85771 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85761 and 85771, than apply into the LCM equation.

GCF(85761,85771) = 1
LCM(85761,85771) = ( 85761 × 85771) / 1
LCM(85761,85771) = 7355806731 / 1
LCM(85761,85771) = 7355806731

Least Common Multiple (LCM) of 85761 and 85771 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85761 and 85771. First we will calculate the prime factors of 85761 and 85771.

Prime Factorization of 85761

Prime factors of 85761 are 3, 13, 733. Prime factorization of 85761 in exponential form is:

85761 = 32 × 131 × 7331

Prime Factorization of 85771

Prime factors of 85771 are 7, 12253. Prime factorization of 85771 in exponential form is:

85771 = 71 × 122531

Now multiplying the highest exponent prime factors to calculate the LCM of 85761 and 85771.

LCM(85761,85771) = 32 × 131 × 7331 × 71 × 122531
LCM(85761,85771) = 7355806731