What is the Least Common Multiple of 75712 and 75724?

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 75712 and 75724 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 75712 and 75724, than apply into the LCM equation.

GCF(75712,75724) = 4
LCM(75712,75724) = ( 75712 × 75724) / 4
LCM(75712,75724) = 5733215488 / 4
LCM(75712,75724) = 1433303872

Least Common Multiple (LCM) of 75712 and 75724 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 75712 and 75724. First we will calculate the prime factors of 75712 and 75724.

Prime Factorization of 75712

Prime Factorization of 75724

Now multiplying the highest exponent prime factors to calculate the LCM of 75712 and 75724.

LCM(75712,75724) = 2⁶ × 7¹ × 13² × 11¹ × 1721¹
LCM(75712,75724) = 1433303872