GCF and LCM Calculator Logo

What is the Least Common Multiple of 86811 and 86820?

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 86811 and 86820 is 2512310340.

LCM(86811,86820) = 2512310340

LCM Calculator and
and

Least Common Multiple of 86811 and 86820 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 86811 and 86820, than apply into the LCM equation.

GCF(86811,86820) = 3
LCM(86811,86820) = ( 86811 × 86820) / 3
LCM(86811,86820) = 7536931020 / 3
LCM(86811,86820) = 2512310340

Least Common Multiple (LCM) of 86811 and 86820 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 86811 and 86820. First we will calculate the prime factors of 86811 and 86820.

Prime Factorization of 86811

Prime factors of 86811 are 3, 19, 1523. Prime factorization of 86811 in exponential form is:

86811 = 31 × 191 × 15231

Prime Factorization of 86820

Prime factors of 86820 are 2, 3, 5, 1447. Prime factorization of 86820 in exponential form is:

86820 = 22 × 31 × 51 × 14471

Now multiplying the highest exponent prime factors to calculate the LCM of 86811 and 86820.

LCM(86811,86820) = 31 × 191 × 15231 × 22 × 51 × 14471
LCM(86811,86820) = 2512310340