What is the Least Common Multiple of 90671 and 90685?

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 90671 and 90685 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 90671 and 90685, than apply into the LCM equation.

GCF(90671,90685) = 7
LCM(90671,90685) = ( 90671 × 90685) / 7
LCM(90671,90685) = 8222499635 / 7
LCM(90671,90685) = 1174642805

Least Common Multiple (LCM) of 90671 and 90685 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 90671 and 90685. First we will calculate the prime factors of 90671 and 90685.

Prime Factorization of 90671

Prime Factorization of 90685

Now multiplying the highest exponent prime factors to calculate the LCM of 90671 and 90685.

LCM(90671,90685) = 7¹ × 12953¹ × 5¹ × 2591¹
LCM(90671,90685) = 1174642805