What is the Least Common Multiple of 74764 and 74768?

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 74764 and 74768 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74764 and 74768, than apply into the LCM equation.

GCF(74764,74768) = 4
LCM(74764,74768) = ( 74764 × 74768) / 4
LCM(74764,74768) = 5589954752 / 4
LCM(74764,74768) = 1397488688

Least Common Multiple (LCM) of 74764 and 74768 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74764 and 74768. First we will calculate the prime factors of 74764 and 74768.

Prime Factorization of 74764

Prime Factorization of 74768

Now multiplying the highest exponent prime factors to calculate the LCM of 74764 and 74768.

LCM(74764,74768) = 2⁴ × 18691¹ × 4673¹
LCM(74764,74768) = 1397488688