What is the Least Common Multiple of 90471 and 90481?

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 90471 and 90481 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 90471 and 90481, than apply into the LCM equation.

GCF(90471,90481) = 1
LCM(90471,90481) = ( 90471 × 90481) / 1
LCM(90471,90481) = 8185906551 / 1
LCM(90471,90481) = 8185906551

Least Common Multiple (LCM) of 90471 and 90481 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 90471 and 90481. First we will calculate the prime factors of 90471 and 90481.

Prime Factorization of 90471

Prime Factorization of 90481

Now multiplying the highest exponent prime factors to calculate the LCM of 90471 and 90481.

LCM(90471,90481) = 3¹ × 53¹ × 569¹ × 90481¹
LCM(90471,90481) = 8185906551