What is the Least Common Multiple of 78521 and 78533?

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 78521 and 78533 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78521 and 78533, than apply into the LCM equation.

GCF(78521,78533) = 1
LCM(78521,78533) = ( 78521 × 78533) / 1
LCM(78521,78533) = 6166489693 / 1
LCM(78521,78533) = 6166489693

Least Common Multiple (LCM) of 78521 and 78533 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78521 and 78533. First we will calculate the prime factors of 78521 and 78533.

Prime Factorization of 78521

Prime Factorization of 78533

Now multiplying the highest exponent prime factors to calculate the LCM of 78521 and 78533.

LCM(78521,78533) = 233¹ × 337¹ × 7¹ × 13¹ × 863¹
LCM(78521,78533) = 6166489693