What is the Least Common Multiple of 39810 and 39825?

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 39810 and 39825 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39810 and 39825, than apply into the LCM equation.

GCF(39810,39825) = 15
LCM(39810,39825) = ( 39810 × 39825) / 15
LCM(39810,39825) = 1585433250 / 15
LCM(39810,39825) = 105695550

Least Common Multiple (LCM) of 39810 and 39825 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39810 and 39825. First we will calculate the prime factors of 39810 and 39825.

Prime Factorization of 39810

Prime Factorization of 39825

Now multiplying the highest exponent prime factors to calculate the LCM of 39810 and 39825.

LCM(39810,39825) = 2¹ × 3³ × 5² × 1327¹ × 59¹
LCM(39810,39825) = 105695550