What is the Least Common Multiple of 90538 and 90551?

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 90538 and 90551 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 90538 and 90551, than apply into the LCM equation.

GCF(90538,90551) = 1
LCM(90538,90551) = ( 90538 × 90551) / 1
LCM(90538,90551) = 8198306438 / 1
LCM(90538,90551) = 8198306438

Least Common Multiple (LCM) of 90538 and 90551 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 90538 and 90551. First we will calculate the prime factors of 90538 and 90551.

Prime Factorization of 90538

Prime Factorization of 90551

Now multiplying the highest exponent prime factors to calculate the LCM of 90538 and 90551.

LCM(90538,90551) = 2¹ × 7¹ × 29¹ × 223¹ × 23¹ × 31¹ × 127¹
LCM(90538,90551) = 8198306438