What is the Least Common Multiple of 90638 and 90653?

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 90638 and 90653 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 90638 and 90653, than apply into the LCM equation.

GCF(90638,90653) = 1
LCM(90638,90653) = ( 90638 × 90653) / 1
LCM(90638,90653) = 8216606614 / 1
LCM(90638,90653) = 8216606614

Least Common Multiple (LCM) of 90638 and 90653 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 90638 and 90653. First we will calculate the prime factors of 90638 and 90653.

Prime Factorization of 90638

Prime Factorization of 90653

Now multiplying the highest exponent prime factors to calculate the LCM of 90638 and 90653.

LCM(90638,90653) = 2¹ × 45319¹ × 269¹ × 337¹
LCM(90638,90653) = 8216606614