What is the Least Common Multiple of 39478 and 39488?

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 39478 and 39488 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39478 and 39488, than apply into the LCM equation.

GCF(39478,39488) = 2
LCM(39478,39488) = ( 39478 × 39488) / 2
LCM(39478,39488) = 1558907264 / 2
LCM(39478,39488) = 779453632

Least Common Multiple (LCM) of 39478 and 39488 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39478 and 39488. First we will calculate the prime factors of 39478 and 39488.

Prime Factorization of 39478

Prime Factorization of 39488

Now multiplying the highest exponent prime factors to calculate the LCM of 39478 and 39488.

LCM(39478,39488) = 2⁶ × 19739¹ × 617¹
LCM(39478,39488) = 779453632