What is the Least Common Multiple of 90243 and 90251?

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 90243 and 90251 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 90243 and 90251, than apply into the LCM equation.

GCF(90243,90251) = 1
LCM(90243,90251) = ( 90243 × 90251) / 1
LCM(90243,90251) = 8144520993 / 1
LCM(90243,90251) = 8144520993

Least Common Multiple (LCM) of 90243 and 90251 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 90243 and 90251. First we will calculate the prime factors of 90243 and 90251.

Prime Factorization of 90243

Prime Factorization of 90251

Now multiplying the highest exponent prime factors to calculate the LCM of 90243 and 90251.

LCM(90243,90251) = 3² × 37¹ × 271¹ × 7¹ × 12893¹
LCM(90243,90251) = 8144520993