GCF and LCM Calculator Logo

What is the Least Common Multiple of 78806 and 78824?

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 78806 and 78824 is 3105902072.

LCM(78806,78824) = 3105902072

LCM Calculator and
and

Least Common Multiple of 78806 and 78824 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78806 and 78824, than apply into the LCM equation.

GCF(78806,78824) = 2
LCM(78806,78824) = ( 78806 × 78824) / 2
LCM(78806,78824) = 6211804144 / 2
LCM(78806,78824) = 3105902072

Least Common Multiple (LCM) of 78806 and 78824 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78806 and 78824. First we will calculate the prime factors of 78806 and 78824.

Prime Factorization of 78806

Prime factors of 78806 are 2, 7, 13, 433. Prime factorization of 78806 in exponential form is:

78806 = 21 × 71 × 131 × 4331

Prime Factorization of 78824

Prime factors of 78824 are 2, 59, 167. Prime factorization of 78824 in exponential form is:

78824 = 23 × 591 × 1671

Now multiplying the highest exponent prime factors to calculate the LCM of 78806 and 78824.

LCM(78806,78824) = 23 × 71 × 131 × 4331 × 591 × 1671
LCM(78806,78824) = 3105902072