What is the Least Common Multiple of 78821 and 78841?

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 78821 and 78841 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78821 and 78841, than apply into the LCM equation.

GCF(78821,78841) = 1
LCM(78821,78841) = ( 78821 × 78841) / 1
LCM(78821,78841) = 6214326461 / 1
LCM(78821,78841) = 6214326461

Least Common Multiple (LCM) of 78821 and 78841 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78821 and 78841. First we will calculate the prime factors of 78821 and 78841.

Prime Factorization of 78821

Prime Factorization of 78841

Now multiplying the highest exponent prime factors to calculate the LCM of 78821 and 78841.

LCM(78821,78841) = 23² × 149¹ × 7² × 1609¹
LCM(78821,78841) = 6214326461