GCF and LCM Calculator Logo

What is the Least Common Multiple of 78736 and 78746?

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 78736 and 78746 is 3100072528.

LCM(78736,78746) = 3100072528

LCM Calculator and
and

Least Common Multiple of 78736 and 78746 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78736 and 78746, than apply into the LCM equation.

GCF(78736,78746) = 2
LCM(78736,78746) = ( 78736 × 78746) / 2
LCM(78736,78746) = 6200145056 / 2
LCM(78736,78746) = 3100072528

Least Common Multiple (LCM) of 78736 and 78746 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78736 and 78746. First we will calculate the prime factors of 78736 and 78746.

Prime Factorization of 78736

Prime factors of 78736 are 2, 7, 19, 37. Prime factorization of 78736 in exponential form is:

78736 = 24 × 71 × 191 × 371

Prime Factorization of 78746

Prime factors of 78746 are 2, 39373. Prime factorization of 78746 in exponential form is:

78746 = 21 × 393731

Now multiplying the highest exponent prime factors to calculate the LCM of 78736 and 78746.

LCM(78736,78746) = 24 × 71 × 191 × 371 × 393731
LCM(78736,78746) = 3100072528