GCF and LCM Calculator Logo

What is the Least Common Multiple of 78845 and 78859?

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 78845 and 78859 is 6217637855.

LCM(78845,78859) = 6217637855

LCM Calculator and
and

Least Common Multiple of 78845 and 78859 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78845 and 78859, than apply into the LCM equation.

GCF(78845,78859) = 1
LCM(78845,78859) = ( 78845 × 78859) / 1
LCM(78845,78859) = 6217637855 / 1
LCM(78845,78859) = 6217637855

Least Common Multiple (LCM) of 78845 and 78859 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78845 and 78859. First we will calculate the prime factors of 78845 and 78859.

Prime Factorization of 78845

Prime factors of 78845 are 5, 13, 1213. Prime factorization of 78845 in exponential form is:

78845 = 51 × 131 × 12131

Prime Factorization of 78859

Prime factors of 78859 are 11, 67, 107. Prime factorization of 78859 in exponential form is:

78859 = 111 × 671 × 1071

Now multiplying the highest exponent prime factors to calculate the LCM of 78845 and 78859.

LCM(78845,78859) = 51 × 131 × 12131 × 111 × 671 × 1071
LCM(78845,78859) = 6217637855