GCF and LCM Calculator Logo

What is the Least Common Multiple of 78828 and 78845?

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 78828 and 78845 is 6215193660.

LCM(78828,78845) = 6215193660

LCM Calculator and
and

Least Common Multiple of 78828 and 78845 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78828 and 78845, than apply into the LCM equation.

GCF(78828,78845) = 1
LCM(78828,78845) = ( 78828 × 78845) / 1
LCM(78828,78845) = 6215193660 / 1
LCM(78828,78845) = 6215193660

Least Common Multiple (LCM) of 78828 and 78845 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78828 and 78845. First we will calculate the prime factors of 78828 and 78845.

Prime Factorization of 78828

Prime factors of 78828 are 2, 3, 6569. Prime factorization of 78828 in exponential form is:

78828 = 22 × 31 × 65691

Prime Factorization of 78845

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

78845 = 51 × 131 × 12131

Now multiplying the highest exponent prime factors to calculate the LCM of 78828 and 78845.

LCM(78828,78845) = 22 × 31 × 65691 × 51 × 131 × 12131
LCM(78828,78845) = 6215193660