What is the Least Common Multiple of 78064 and 78076?

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 78064 and 78076 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78064 and 78076, than apply into the LCM equation.

GCF(78064,78076) = 4
LCM(78064,78076) = ( 78064 × 78076) / 4
LCM(78064,78076) = 6094924864 / 4
LCM(78064,78076) = 1523731216

Least Common Multiple (LCM) of 78064 and 78076 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78064 and 78076. First we will calculate the prime factors of 78064 and 78076.

Prime Factorization of 78064

Prime Factorization of 78076

Now multiplying the highest exponent prime factors to calculate the LCM of 78064 and 78076.

LCM(78064,78076) = 2⁴ × 7¹ × 17¹ × 41¹ × 131¹ × 149¹
LCM(78064,78076) = 1523731216