What is the Least Common Multiple of 39664 and 39679?

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 39664 and 39679 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39664 and 39679, than apply into the LCM equation.

GCF(39664,39679) = 1
LCM(39664,39679) = ( 39664 × 39679) / 1
LCM(39664,39679) = 1573827856 / 1
LCM(39664,39679) = 1573827856

Least Common Multiple (LCM) of 39664 and 39679 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39664 and 39679. First we will calculate the prime factors of 39664 and 39679.

Prime Factorization of 39664

Prime Factorization of 39679

Now multiplying the highest exponent prime factors to calculate the LCM of 39664 and 39679.

LCM(39664,39679) = 2⁴ × 37¹ × 67¹ × 39679¹
LCM(39664,39679) = 1573827856