What is the Least Common Multiple of 78738 and 78758?

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 78738 and 78758 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78738 and 78758, than apply into the LCM equation.

GCF(78738,78758) = 2
LCM(78738,78758) = ( 78738 × 78758) / 2
LCM(78738,78758) = 6201247404 / 2
LCM(78738,78758) = 3100623702

Least Common Multiple (LCM) of 78738 and 78758 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78738 and 78758. First we will calculate the prime factors of 78738 and 78758.

Prime Factorization of 78738

Prime Factorization of 78758

Now multiplying the highest exponent prime factors to calculate the LCM of 78738 and 78758.

LCM(78738,78758) = 2¹ × 3¹ × 11¹ × 1193¹ × 53¹ × 743¹
LCM(78738,78758) = 3100623702