GCF and LCM Calculator Logo

What is the Least Common Multiple of 78686 and 78699?

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 78686 and 78699 is 6192509514.

LCM(78686,78699) = 6192509514

LCM Calculator and
and

Least Common Multiple of 78686 and 78699 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78686 and 78699, than apply into the LCM equation.

GCF(78686,78699) = 1
LCM(78686,78699) = ( 78686 × 78699) / 1
LCM(78686,78699) = 6192509514 / 1
LCM(78686,78699) = 6192509514

Least Common Multiple (LCM) of 78686 and 78699 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78686 and 78699. First we will calculate the prime factors of 78686 and 78699.

Prime Factorization of 78686

Prime factors of 78686 are 2, 39343. Prime factorization of 78686 in exponential form is:

78686 = 21 × 393431

Prime Factorization of 78699

Prime factors of 78699 are 3, 37, 709. Prime factorization of 78699 in exponential form is:

78699 = 31 × 371 × 7091

Now multiplying the highest exponent prime factors to calculate the LCM of 78686 and 78699.

LCM(78686,78699) = 21 × 393431 × 31 × 371 × 7091
LCM(78686,78699) = 6192509514