What is the Least Common Multiple of 90689 and 90709?

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 90689 and 90709 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 90689 and 90709, than apply into the LCM equation.

GCF(90689,90709) = 1
LCM(90689,90709) = ( 90689 × 90709) / 1
LCM(90689,90709) = 8226308501 / 1
LCM(90689,90709) = 8226308501

Least Common Multiple (LCM) of 90689 and 90709 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 90689 and 90709. First we will calculate the prime factors of 90689 and 90709.

Prime Factorization of 90689

Prime Factorization of 90709

Now multiplying the highest exponent prime factors to calculate the LCM of 90689 and 90709.

LCM(90689,90709) = 23¹ × 3943¹ × 90709¹
LCM(90689,90709) = 8226308501