What is the Least Common Multiple of 75690 and 75698?

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 75690 and 75698 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 75690 and 75698, than apply into the LCM equation.

GCF(75690,75698) = 2
LCM(75690,75698) = ( 75690 × 75698) / 2
LCM(75690,75698) = 5729581620 / 2
LCM(75690,75698) = 2864790810

Least Common Multiple (LCM) of 75690 and 75698 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 75690 and 75698. First we will calculate the prime factors of 75690 and 75698.

Prime Factorization of 75690

Prime Factorization of 75698

Now multiplying the highest exponent prime factors to calculate the LCM of 75690 and 75698.

LCM(75690,75698) = 2¹ × 3² × 5¹ × 29² × 7¹ × 5407¹
LCM(75690,75698) = 2864790810