What is the Least Common Multiple of 90406 and 90424?

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 90406 and 90424 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 90406 and 90424, than apply into the LCM equation.

GCF(90406,90424) = 2
LCM(90406,90424) = ( 90406 × 90424) / 2
LCM(90406,90424) = 8174872144 / 2
LCM(90406,90424) = 4087436072

Least Common Multiple (LCM) of 90406 and 90424 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 90406 and 90424. First we will calculate the prime factors of 90406 and 90424.

Prime Factorization of 90406

Prime Factorization of 90424

Now multiplying the highest exponent prime factors to calculate the LCM of 90406 and 90424.

LCM(90406,90424) = 2³ × 17¹ × 2659¹ × 89¹ × 127¹
LCM(90406,90424) = 4087436072