What is the Least Common Multiple of 75966 and 75978?

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 75966 and 75978 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 75966 and 75978, than apply into the LCM equation.

GCF(75966,75978) = 6
LCM(75966,75978) = ( 75966 × 75978) / 6
LCM(75966,75978) = 5771744748 / 6
LCM(75966,75978) = 961957458

Least Common Multiple (LCM) of 75966 and 75978 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 75966 and 75978. First we will calculate the prime factors of 75966 and 75978.

Prime Factorization of 75966

Prime Factorization of 75978

Now multiplying the highest exponent prime factors to calculate the LCM of 75966 and 75978.

LCM(75966,75978) = 2¹ × 3⁴ × 11¹ × 1151¹ × 7¹ × 67¹
LCM(75966,75978) = 961957458