GCF and LCM Calculator Logo

What is the Least Common Multiple of 7845 and 7862?

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 7845 and 7862 is 61677390.

LCM(7845,7862) = 61677390

LCM Calculator and
and

Least Common Multiple of 7845 and 7862 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7845 and 7862, than apply into the LCM equation.

GCF(7845,7862) = 1
LCM(7845,7862) = ( 7845 × 7862) / 1
LCM(7845,7862) = 61677390 / 1
LCM(7845,7862) = 61677390

Least Common Multiple (LCM) of 7845 and 7862 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7845 and 7862. First we will calculate the prime factors of 7845 and 7862.

Prime Factorization of 7845

Prime factors of 7845 are 3, 5, 523. Prime factorization of 7845 in exponential form is:

7845 = 31 × 51 × 5231

Prime Factorization of 7862

Prime factors of 7862 are 2, 3931. Prime factorization of 7862 in exponential form is:

7862 = 21 × 39311

Now multiplying the highest exponent prime factors to calculate the LCM of 7845 and 7862.

LCM(7845,7862) = 31 × 51 × 5231 × 21 × 39311
LCM(7845,7862) = 61677390