What is the Least Common Multiple of 78704 and 78718?

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 of 78704 and 78718 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78704 and 78718, than apply into the LCM equation.

GCF(78704,78718) = 2
LCM(78704,78718) = ( 78704 × 78718) / 2
LCM(78704,78718) = 6195421472 / 2
LCM(78704,78718) = 3097710736

Least Common Multiple (LCM) of 78704 and 78718 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78704 and 78718. First we will calculate the prime factors of 78704 and 78718.

Prime Factorization of 78704

Prime Factorization of 78718

Now multiplying the highest exponent prime factors to calculate the LCM of 78704 and 78718.

LCM(78704,78718) = 2⁴ × 4919¹ × 39359¹
LCM(78704,78718) = 3097710736