What is the Least Common Multiple of 90690 and 90708?

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 90690 and 90708 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 90690 and 90708, than apply into the LCM equation.

GCF(90690,90708) = 6
LCM(90690,90708) = ( 90690 × 90708) / 6
LCM(90690,90708) = 8226308520 / 6
LCM(90690,90708) = 1371051420

Least Common Multiple (LCM) of 90690 and 90708 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 90690 and 90708. First we will calculate the prime factors of 90690 and 90708.

Prime Factorization of 90690

Prime Factorization of 90708

Now multiplying the highest exponent prime factors to calculate the LCM of 90690 and 90708.

LCM(90690,90708) = 2² × 3¹ × 5¹ × 3023¹ × 7559¹
LCM(90690,90708) = 1371051420