GCF and LCM Calculator Logo

What is the Least Common Multiple of 86681 and 86686?

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 86681 and 86686 is 7514029166.

LCM(86681,86686) = 7514029166

LCM Calculator and
and

Least Common Multiple of 86681 and 86686 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 86681 and 86686, than apply into the LCM equation.

GCF(86681,86686) = 1
LCM(86681,86686) = ( 86681 × 86686) / 1
LCM(86681,86686) = 7514029166 / 1
LCM(86681,86686) = 7514029166

Least Common Multiple (LCM) of 86681 and 86686 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 86681 and 86686. First we will calculate the prime factors of 86681 and 86686.

Prime Factorization of 86681

Prime factors of 86681 are 7, 29, 61. Prime factorization of 86681 in exponential form is:

86681 = 72 × 291 × 611

Prime Factorization of 86686

Prime factors of 86686 are 2, 89, 487. Prime factorization of 86686 in exponential form is:

86686 = 21 × 891 × 4871

Now multiplying the highest exponent prime factors to calculate the LCM of 86681 and 86686.

LCM(86681,86686) = 72 × 291 × 611 × 21 × 891 × 4871
LCM(86681,86686) = 7514029166