GCF and LCM Calculator Logo

What is the Least Common Multiple of 78360 and 78379?

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 78360 and 78379 is 6141778440.

LCM(78360,78379) = 6141778440

LCM Calculator and
and

Least Common Multiple of 78360 and 78379 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78360 and 78379, than apply into the LCM equation.

GCF(78360,78379) = 1
LCM(78360,78379) = ( 78360 × 78379) / 1
LCM(78360,78379) = 6141778440 / 1
LCM(78360,78379) = 6141778440

Least Common Multiple (LCM) of 78360 and 78379 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78360 and 78379. First we will calculate the prime factors of 78360 and 78379.

Prime Factorization of 78360

Prime factors of 78360 are 2, 3, 5, 653. Prime factorization of 78360 in exponential form is:

78360 = 23 × 31 × 51 × 6531

Prime Factorization of 78379

Prime factors of 78379 are 7, 11197. Prime factorization of 78379 in exponential form is:

78379 = 71 × 111971

Now multiplying the highest exponent prime factors to calculate the LCM of 78360 and 78379.

LCM(78360,78379) = 23 × 31 × 51 × 6531 × 71 × 111971
LCM(78360,78379) = 6141778440