What is the Least Common Multiple of 75600 and 75608?

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 75600 and 75608 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 75600 and 75608, than apply into the LCM equation.

GCF(75600,75608) = 8
LCM(75600,75608) = ( 75600 × 75608) / 8
LCM(75600,75608) = 5715964800 / 8
LCM(75600,75608) = 714495600

Least Common Multiple (LCM) of 75600 and 75608 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 75600 and 75608. First we will calculate the prime factors of 75600 and 75608.

Prime Factorization of 75600

Prime Factorization of 75608

Now multiplying the highest exponent prime factors to calculate the LCM of 75600 and 75608.

LCM(75600,75608) = 2⁴ × 3³ × 5² × 7¹ × 13¹ × 727¹
LCM(75600,75608) = 714495600