What is the Least Common Multiple of 75660 and 75665?

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 75660 and 75665 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 75660 and 75665, than apply into the LCM equation.

GCF(75660,75665) = 5
LCM(75660,75665) = ( 75660 × 75665) / 5
LCM(75660,75665) = 5724813900 / 5
LCM(75660,75665) = 1144962780

Least Common Multiple (LCM) of 75660 and 75665 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 75660 and 75665. First we will calculate the prime factors of 75660 and 75665.

Prime Factorization of 75660

Prime Factorization of 75665

Now multiplying the highest exponent prime factors to calculate the LCM of 75660 and 75665.

LCM(75660,75665) = 2² × 3¹ × 5¹ × 13¹ × 97¹ × 37¹ × 409¹
LCM(75660,75665) = 1144962780