What is the Least Common Multiple of 78304 and 78308?

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 78304 and 78308 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78304 and 78308, than apply into the LCM equation.

GCF(78304,78308) = 4
LCM(78304,78308) = ( 78304 × 78308) / 4
LCM(78304,78308) = 6131829632 / 4
LCM(78304,78308) = 1532957408

Least Common Multiple (LCM) of 78304 and 78308 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78304 and 78308. First we will calculate the prime factors of 78304 and 78308.

Prime Factorization of 78304

Prime Factorization of 78308

Now multiplying the highest exponent prime factors to calculate the LCM of 78304 and 78308.

LCM(78304,78308) = 2⁵ × 2447¹ × 19577¹
LCM(78304,78308) = 1532957408