GCF and LCM Calculator Logo

What is the Least Common Multiple of 78681 and 78694?

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 78681 and 78694 is 6191722614.

LCM(78681,78694) = 6191722614

LCM Calculator and
and

Least Common Multiple of 78681 and 78694 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78681 and 78694, than apply into the LCM equation.

GCF(78681,78694) = 1
LCM(78681,78694) = ( 78681 × 78694) / 1
LCM(78681,78694) = 6191722614 / 1
LCM(78681,78694) = 6191722614

Least Common Multiple (LCM) of 78681 and 78694 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78681 and 78694. First we will calculate the prime factors of 78681 and 78694.

Prime Factorization of 78681

Prime factors of 78681 are 3, 26227. Prime factorization of 78681 in exponential form is:

78681 = 31 × 262271

Prime Factorization of 78694

Prime factors of 78694 are 2, 7, 11, 73. Prime factorization of 78694 in exponential form is:

78694 = 21 × 72 × 111 × 731

Now multiplying the highest exponent prime factors to calculate the LCM of 78681 and 78694.

LCM(78681,78694) = 31 × 262271 × 21 × 72 × 111 × 731
LCM(78681,78694) = 6191722614