GCF and LCM Calculator Logo

What is the Least Common Multiple of 78459 and 78469?

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 78459 and 78469 is 6156599271.

LCM(78459,78469) = 6156599271

LCM Calculator and
and

Least Common Multiple of 78459 and 78469 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78459 and 78469, than apply into the LCM equation.

GCF(78459,78469) = 1
LCM(78459,78469) = ( 78459 × 78469) / 1
LCM(78459,78469) = 6156599271 / 1
LCM(78459,78469) = 6156599271

Least Common Multiple (LCM) of 78459 and 78469 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78459 and 78469. First we will calculate the prime factors of 78459 and 78469.

Prime Factorization of 78459

Prime factors of 78459 are 3, 26153. Prime factorization of 78459 in exponential form is:

78459 = 31 × 261531

Prime Factorization of 78469

Prime factors of 78469 are 131, 599. Prime factorization of 78469 in exponential form is:

78469 = 1311 × 5991

Now multiplying the highest exponent prime factors to calculate the LCM of 78459 and 78469.

LCM(78459,78469) = 31 × 261531 × 1311 × 5991
LCM(78459,78469) = 6156599271