What is the Least Common Multiple of 39915 and 39931?

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 39915 and 39931 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39915 and 39931, than apply into the LCM equation.

GCF(39915,39931) = 1
LCM(39915,39931) = ( 39915 × 39931) / 1
LCM(39915,39931) = 1593845865 / 1
LCM(39915,39931) = 1593845865

Least Common Multiple (LCM) of 39915 and 39931 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39915 and 39931. First we will calculate the prime factors of 39915 and 39931.

Prime Factorization of 39915

Prime Factorization of 39931

Now multiplying the highest exponent prime factors to calculate the LCM of 39915 and 39931.

LCM(39915,39931) = 3² × 5¹ × 887¹ × 73¹ × 547¹
LCM(39915,39931) = 1593845865