GCF and LCM Calculator Logo

What is the Least Common Multiple of 78868 and 78876?

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 78868 and 78876 is 1555198092.

LCM(78868,78876) = 1555198092

LCM Calculator and
and

Least Common Multiple of 78868 and 78876 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78868 and 78876, than apply into the LCM equation.

GCF(78868,78876) = 4
LCM(78868,78876) = ( 78868 × 78876) / 4
LCM(78868,78876) = 6220792368 / 4
LCM(78868,78876) = 1555198092

Least Common Multiple (LCM) of 78868 and 78876 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78868 and 78876. First we will calculate the prime factors of 78868 and 78876.

Prime Factorization of 78868

Prime factors of 78868 are 2, 19717. Prime factorization of 78868 in exponential form is:

78868 = 22 × 197171

Prime Factorization of 78876

Prime factors of 78876 are 2, 3, 7, 313. Prime factorization of 78876 in exponential form is:

78876 = 22 × 32 × 71 × 3131

Now multiplying the highest exponent prime factors to calculate the LCM of 78868 and 78876.

LCM(78868,78876) = 22 × 197171 × 32 × 71 × 3131
LCM(78868,78876) = 1555198092