What is the Least Common Multiple of 78689 and 78701?

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 78689 and 78701 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78689 and 78701, than apply into the LCM equation.

GCF(78689,78701) = 1
LCM(78689,78701) = ( 78689 × 78701) / 1
LCM(78689,78701) = 6192902989 / 1
LCM(78689,78701) = 6192902989

Least Common Multiple (LCM) of 78689 and 78701 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78689 and 78701. First we will calculate the prime factors of 78689 and 78701.

Prime Factorization of 78689

Prime Factorization of 78701

Now multiplying the highest exponent prime factors to calculate the LCM of 78689 and 78701.

LCM(78689,78701) = 13¹ × 6053¹ × 7¹ × 11243¹
LCM(78689,78701) = 6192902989