What is the Least Common Multiple of 39478 and 39487?

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 39487 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 39487, than apply into the LCM equation.

GCF(39478,39487) = 1
LCM(39478,39487) = ( 39478 × 39487) / 1
LCM(39478,39487) = 1558867786 / 1
LCM(39478,39487) = 1558867786

Least Common Multiple (LCM) of 39478 and 39487 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39478 and 39487. First we will calculate the prime factors of 39478 and 39487.

Prime Factorization of 39478

Prime Factorization of 39487

Now multiplying the highest exponent prime factors to calculate the LCM of 39478 and 39487.

LCM(39478,39487) = 2¹ × 19739¹ × 7¹ × 5641¹
LCM(39478,39487) = 1558867786